Prueba De Fracciones 2

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| By Rvergara09
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Rvergara09
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  • 1/20 preguntas

    Una fracción es un número que representa la cantidad que tomamos de una cifra entera.

    • V
    • F
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Prueba De Fracciones 2 - Quiz
About This Quiz

Este es un cuestionario sobre fracciones que te pueden servir para reforzar conocimientos de este contenido.

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  • 2. 

    El resultado de 2/5  + 7/5 es:

    • 9/10

    • 9/25

    • 9/5

    • 14/5

    Correct Answer
    A. 9/5
    Explanation
    The given expression is a sum of two fractions: 2/5 and 7/5. Since the denominators are the same, we can simply add the numerators together to get the numerator of the resulting fraction. Thus, 2/5 + 7/5 = (2 + 7)/5 = 9/5. Therefore, the correct answer is 9/5.

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  • 3. 

    Para restar dos fracciones se debe invertir la segunda fracción y luego restar.

    • V

    • F

    Correct Answer
    A. F
    Explanation
    The given statement is incorrect. To subtract two fractions, we do not need to invert the second fraction. Instead, we keep the first fraction as it is and subtract the numerators while keeping the denominators the same.

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  • 4. 

    El resultado de 11/4 - 5/4 es:

    • 16/4

    • 3/2

    • 16/8

    • 7/0

    Correct Answer
    A. 3/2
    Explanation
    The correct answer is 3/2. To find the result of subtracting 5/4 from 11/4, we need to have a common denominator. The common denominator for both fractions is 4. So, we can rewrite 11/4 as 11/4 and 5/4 as -5/4. Subtracting -5/4 from 11/4 gives us 16/4, which simplifies to 4. Therefore, the result is 4 divided by 2, which equals 2. So, the answer is 3/2.

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  • 5. 

    ¿La fracción   12/18  se puede simplificar por  2 y 3?                               

    • V

    • F

    Correct Answer
    A. V
    Explanation
    The fraction 12/18 can be simplified by 2 and 3.

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  • 6. 

    Al simplificar la fracción 30/48 se obtiene la fracción irreductible:

    • 15/24

    • 15/12

    • 5/7

    • 5/8

    Correct Answer
    A. 5/8
    Explanation
    To simplify the fraction 30/48, we need to find the greatest common divisor (GCD) of the numerator and denominator, which is 6. Dividing both the numerator and denominator by 6, we get 5/8. Therefore, the fraction 5/8 is the simplified and irreducible form of 30/48.

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  • 7. 

    Juanito camino 3/2 km. y al otro día camino 5/2 de km. ¿Cuánto camino en los dos días?

    • 8 km

    • 6 km

    • 4 km

    • 3 km

    Correct Answer
    A. 4 km
    Explanation
    Juanito caminó 3/2 km en el primer día y 5/2 km en el segundo día. Para encontrar la distancia total que caminó en los dos días, se suman las distancias del primer y segundo día. 3/2 km + 5/2 km = 8/2 km = 4 km. Por lo tanto, Juanito caminó 4 km en los dos días.

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  • 8. 

    El resultado de 5/3 + 1/2 es igual a:

    • 6/6

    • 1

    • 13/6

    • 6/5

    Correct Answer
    A. 13/6
    Explanation
    The result of adding 5/3 and 1/2 is equal to 13/6. To find the sum of these fractions, we need to have a common denominator. The least common multiple of 3 and 2 is 6. So, we can rewrite 5/3 as 10/6 and 1/2 as 3/6. Adding these fractions gives us 13/6.

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  • 9. 

    El resultado de 2/4 + 1/7 es

    • 3/11

    • 9/14

    • 3/11

    • 3/28

    Correct Answer
    A. 9/14
    Explanation
    The correct answer is 9/14. To add fractions, we need to find a common denominator. In this case, the common denominator is 28. We then convert both fractions to have a denominator of 28. 2/4 becomes 14/28 and 1/7 becomes 4/28. Adding these two fractions gives us 14/28 + 4/28 = 18/28. Simplifying this fraction gives us 9/14.

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  • 10. 

    El resultado de 9/5 - 3/2  es:

    • 3/10

    • 6/3

    • 6/10

    • 3/5

    Correct Answer
    A. 3/10
    Explanation
    The correct answer is 3/10. To find the result of 9/5 - 3/2, we need to find a common denominator for the fractions. The common denominator for 5 and 2 is 10. So, we can rewrite 9/5 as 18/10 and 3/2 as 15/10. Now, we can subtract the fractions: 18/10 - 15/10 = 3/10. Therefore, the result is 3/10.

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  • 11. 

    Al sumar 2/3 y 2/6 el resultado es:

    • 2

    • 1

    • 1/2

    • 1/6

    Correct Answer
    A. 1
    Explanation
    When adding fractions, you need to have a common denominator. In this case, the common denominator is 6. So, 2/3 can be written as 4/6 and 2/6 remains the same. Adding them together, we get 4/6 + 2/6 = 6/6, which simplifies to 1. Therefore, the correct answer is 1.

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  • 12. 

    El resultado de sumar 7/4 y 1/3 es igual a:

    • Un entero, un medio

    • Dos enteros un medio

    • Un entero, un doceavos

    • Dos enteros, un doceavos

    Correct Answer
    A. Dos enteros, un doceavos
    Explanation
    La suma de 7/4 y 1/3 se puede encontrar encontrando un denominador común y luego sumando los numeradores. En este caso, el denominador común es 12, ya que 4 y 3 son divisibles por 12. Luego, se suma 7/4 y 1/3 para obtener 21/12. Esto se puede simplificar a 1 9/12, que es igual a dos enteros y un doceavo.

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  • 13. 

    3/10 + 2/5 es igual a:

    • 4/10

    • 2/5

    • 7/10

    • 4/15

    Correct Answer
    A. 7/10
    Explanation
    The correct answer is 7/10. When adding fractions, you need to have a common denominator. In this case, the common denominator is 10. So, you need to convert 3/10 to have a denominator of 10. By multiplying the numerator and denominator of 3/10 by 2, you get 6/20. Now you can add 6/20 and 2/5, which gives you 14/20. Simplifying this fraction, you get 7/10.

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  • 14. 

    3/4 - 5/8 es igual a:

    • 2/8

    • 2/4

    • 1/2

    • 1/8

    Correct Answer
    A. 1/8
    Explanation
    To find the difference between 3/4 and 5/8, we need to find a common denominator. The least common multiple of 4 and 8 is 8. We can convert 3/4 to 6/8 by multiplying the numerator and denominator by 2. Now we can subtract 5/8 from 6/8, which gives us 1/8. Therefore, the correct answer is 1/8.

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  • 15. 

    7/6 - 3/12 es igual a:

    • 11/12

    • 10/12

    • 10/6

    • 4/12

    Correct Answer
    A. 11/12
    Explanation
    To find the difference between 7/6 and 3/12, we need to find a common denominator. The least common multiple of 6 and 12 is 12. So, we can rewrite 7/6 as 14/12 and 3/12 as 1/4. Subtracting 1/4 from 14/12 gives us 13/12. Simplifying this fraction, we get 11/12. Therefore, the correct answer is 11/12.

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  • 16. 

    Si Juan tiene 3/2 kilos de pan y se come un cuarto de kilo. ¿Cuanto kilos de pan le quedan?

    • 3/4

    • 1/2

    • 5/4

    • 1/3

    Correct Answer
    A. 5/4
    Explanation
    Juan initially has 3/2 kilos of bread. He eats a quarter of a kilo, which is equal to 2/8 or 1/4 of the original amount. To find out how much bread he has left, we subtract 1/4 from 3/2. To do this, we need to find a common denominator, which is 4. So, 3/2 is equivalent to 6/4. Subtracting 1/4 from 6/4 gives us 5/4. Therefore, Juan has 5/4 kilos of bread left.

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  • 17. 

    Jorge tiene una bolsa de frutas que pesa  5/4 gr. y otra bolsa que pesa 3/6 gr. ¿Cuanto peso lleva Jorge en total?

    • 1/2

    • 3/4

    • 7/4

    • 8/12

    Correct Answer
    A. 7/4
    Explanation
    Jorge tiene una bolsa de frutas que pesa 5/4 gramos y otra bolsa que pesa 3/6 gramos. Para encontrar el peso total que lleva Jorge, debemos sumar el peso de ambas bolsas. Convertimos las fracciones a un denominador común, que en este caso es 12. Multiplicamos 5/4 por 3/3 para obtener 15/12 y multiplicamos 3/6 por 2/2 para obtener 6/12. Luego, sumamos 15/12 + 6/12, lo cual nos da 21/12. Simplificamos esta fracción y obtenemos 7/4. Por lo tanto, Jorge lleva un peso total de 7/4 gramos.

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  • 18. 

    Si la fracción 2/3 aumenta en 2/4. ¿Que fracción resulta?

    • 4/7

    • 4/12

    • 7/6

    • 1/12

    Correct Answer
    A. 7/6
    Explanation
    When we add 2/4 to 2/3, we need to find a common denominator. The least common multiple of 3 and 4 is 12. So, we can rewrite 2/3 as 8/12. Now, we can add 2/4 to 8/12, which gives us 10/12. Simplifying this fraction by dividing both the numerator and denominator by their greatest common divisor, which is 2, we get 5/6. Therefore, the resulting fraction is 5/6.

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  • 19. 

    Para sumar fracciones de igual denominador, "se suman los numeradores y se multiplican los denominadores"

    • True

    • False

    Correct Answer
    A. False
    Explanation
    This statement is false. To add fractions with the same denominator, you simply add the numerators together and keep the denominator the same. You do not need to multiply the denominators.

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  • 20. 

    El resultado de 5/4 - 7/8  es igual a:

    • 3/8

    • 2/4

    • 2/8

    • 1/2

    Correct Answer
    A. 3/8
    Explanation
    The correct answer is 3/8. To solve this problem, we need to find a common denominator for 4 and 8, which is 8. Then, we can convert 5/4 to 10/8 and 7/8 to 7/8. Subtracting 7/8 from 10/8 gives us 3/8.

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  • Current Version
  • Jul 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 26, 2010
    Quiz Created by
    Rvergara09
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