# Bilangan Pecahan

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ARMA A
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Ayo, nak. Kita coba kerjakan penjumlahan dan pengurangan berikut!

• 1.

### Hasil penjumlahan 1/7 + 2/7 adalah...

• A.

3/7

• B.

7/3

• C.

3/14

• D.

14/3

A. 3/7
Explanation
The correct answer is 3/7 because when you add 1/7 and 2/7, you get a common denominator of 7 and the numerator becomes 1+2=3. Therefore, the sum of 1/7 + 2/7 is 3/7.

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• 2.

### Hasil penjumlahan dari 3/2 dan 1/4 adalah...

• A.

3/6

• B.

7/4

• C.

3/8

• D.

4/6

B. 7/4
Explanation
The correct answer is 7/4 because when you add 3/2 and 1/4, you need to find a common denominator. The common denominator for 2 and 4 is 4. So, you can rewrite 3/2 as 6/4 and 1/4 remains the same. Adding these fractions together, you get 6/4 + 1/4 = 7/4.

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• 3.

### Nilai dari 6 ditambahkan dengan 2/7 adalah...

• A.

44/6

• B.

6/44

• C.

44/7

• D.

7/44

C. 44/7
Explanation
When we add 6 to 2/7, we can convert 6 to a fraction with the same denominator as 2/7, which is 7. So, 6 can be written as 42/7. Now, we can add 2/7 to 42/7, which gives us 44/7. Therefore, the correct answer is 44/7.

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• 4.

### Nilai pecahan dari 7/8 + 3/4 + 11/2 adalah...

• A.

57/24

• B.

7/58

• C.

58/7

• D.

57/8

D. 57/8
Explanation
The correct answer is 57/8 because when you add fractions, you need to have a common denominator. In this case, the common denominator is 8. So, you convert 7/8 to have a denominator of 8 by multiplying both the numerator and denominator by 1. Then, you convert 3/4 to have a denominator of 8 by multiplying both the numerator and denominator by 2. Lastly, you convert 11/2 to have a denominator of 8 by multiplying both the numerator and denominator by 4. Adding these fractions together, you get 57/8.

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• 5.

### Bilangan pecahan biasa memiliki ciri...

• A.

Pembilang lebih kecil dari penyebut

• B.

Pembilang sama nilainya dengan penyebut

• C.

Pembilang lebih besar dari penyebut

• D.

Penyebut selalu bilangan genap

A. Pembilang lebih kecil dari penyebut
Explanation
The correct answer is "pembilang lebih kecil dari penyebut." In a proper fraction, the numerator (pembilang) is always smaller than the denominator (penyebut). This is because a proper fraction represents a part of a whole, and the numerator represents the number of parts we have, while the denominator represents the total number of equal parts that make up the whole. Therefore, the numerator cannot be larger than the denominator in a proper fraction.

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• 6.

### Apabila Pembilang lebih besar dari penyebut, maka bilangan tersebut bisa diubah menjadi bilangan...

• A.

Pecahan setara

• B.

Pecahan biasa

• C.

Pecahan campuran

• D.

Pecahan

C. Pecahan campuran
Explanation
If the numerator is greater than the denominator, the fraction can be converted into a mixed fraction. A mixed fraction consists of a whole number and a proper fraction.

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• 7.

### Nilai 2/9  dikurangi 1/18 adalah...

• A.

3/18

• B.

1/18

• C.

2/18

• D.

1/6

D. 1/6
Explanation
When we subtract 1/18 from 2/9, we need to find a common denominator. The common denominator for 9 and 18 is 18. So, we can rewrite 2/9 as 4/18. Subtracting 1/18 from 4/18 gives us 3/18. Therefore, the correct answer is 3/18, which can be simplified to 1/6.

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• 8.

### Nilai dari 7/8 - 4/10 adalah...

• A.

5/80

• B.

2/20

• C.

19/40

• D.

5/40

C. 19/40
Explanation
The correct answer is 19/40 because when subtracting fractions, we need to have a common denominator. In this case, the common denominator is 40. So, we convert 7/8 to 35/40 and 4/10 to 16/40. Subtracting these fractions, we get (35/40) - (16/40) which equals 19/40.

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• 9.

### Nilai yang merupakan hasil pengurangan dari 105/7 dan 87/7 adalah...

• A.

192/7

• B.

192/14

• C.

18/14

• D.

18/7

D. 18/7
Explanation
The correct answer is 18/7 because when we subtract 105/7 from 87/7, we get 18/7. This can be calculated by finding the common denominator of 7 and subtracting the numerators.

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• 10.

### Bentuk lain dari pecahan 36/12 adalah...

• A.

6/2

• B.

2/6

• C.

6/12

• D.

36/2

A. 6/2
Explanation
The given correct answer, 6/2, is another form of the fraction 36/12. Both fractions can be simplified by dividing both the numerator and denominator by the greatest common divisor, which is 12. This simplification results in the fraction 3/1, which can be further simplified to the whole number 3. Therefore, 6/2 is equivalent to 3, which is the simplified form of 36/12.

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• Current Version
• Mar 22, 2023
Quiz Edited by
ProProfs Editorial Team
• Sep 22, 2018
Quiz Created by
ARMA A