Problems With Fractions (Addition And Subtraction)

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| By Dpinedag
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Quizzes Created: 1 | Total Attempts: 434
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  • 1/5 Questions

    Horacio is working on his science fair project about the heights of fifth graders. His data are shown on the left graph.How much taller is Lucia than Horacio?

    • 3/4
    • 1/12
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About This Quiz

Mathematics is an interesting subject once you know the basics. Fractions are also used to indicate a part of a whole number or a ratio between two numbers. Do you have a hard time adding and subtracting fractions? Have no worries; take the quiz below to help you better your skills. All the best!

Problems With Fractions (Addition And Subtraction) - Quiz

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  • 2. 

    Gabriella bought a pile of bricks to build a brick wall. Yesterday, she used 5/8 of the brick pile. Tomorrow, she plans to use another \dfrac{1}{4}​174​​start fraction, 1, divided by, 4, end fraction1/4 of the original brick pile

    • 3/8

    • 1/8

    • 14/8

    Correct Answer
    A. 1/8
    Explanation
    Yesterday, Gabriella used 5/8 of the brick pile. This means that there are 3/8 of the original pile remaining. Tomorrow, she plans to use 1/4 of the original pile. If we multiply 3/8 by 1/4, we get 3/32. This means that tomorrow Gabriella will use 3/32 of the original pile. To find out how much of the original pile will remain after tomorrow, we subtract 3/32 from the current amount of 3/8. This gives us 3/8 - 3/32 = 9/32. Therefore, the answer is 9/32, which can be simplified to 1/8.

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  • 3. 

    Sarah had 2/5 of a pizza left. She ate 1/3 of what was left. How much of the original pizza did Sarah eat?

    • 2/15

    • 1/5

    • 1/6

    • 3/8

    Correct Answer
    A. 2/15
    Explanation
    To find how much of the original pizza Sarah ate, multiply 2/5 by 1/3.
    Multiply the numerators: 2 * 1 = 2
    Multiply the denominators: 5 * 3 = 15
    The fraction of the original pizza Sarah ate is 2/15.
    So, Sarah ate 2/15 of the original pizza.

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  • 4. 

    A chef uses 3/4 of a cup of sugar for one cake and 2/3 of a cup for another cake. How much sugar does the chef use in total?

    Correct Answer
    17/12 cups, 17/12
    Explanation
    Find a common denominator for 3/4 and 2/3, which is 12.
    Convert 3/4 to 9/12 (since 3/4 = 9/12)
    Convert 2/3 to 8/12 (since 2/3 = 8/12)
    Add the fractions: 9/12 + 8/12 = 17/12 cups.
    So, the chef uses 17/12 cups of sugar in total.

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  • 5. 

    Suppose that the first team member in a 333-person relay race must run 2 \dfrac{1}{4}2 1/42, start fraction, 1, divided by, 4, end fraction laps, the second team member must run 1 \dfrac{1}{2}1 1/2​ 1/ ​​1, start fraction, 1, divided by, 2, end fraction laps, and the third team member must run 3 \dfrac{5}{8}3 5/8​5/8 ​​3, start fraction, 5, divided by, 8, end fraction laps. How many laps in all must each team run?

    • 27/8

    • 24/2

    • 24/4

    • 7 3/8

    Correct Answer
    A. 7 3/8

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  • Apr 17, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 26, 2015
    Quiz Created by
    Dpinedag
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