PSLE Operations of Fractions

Question 1

What is a fraction?

Answer 1

A fraction represents a part of a whole and consists of a numerator and a denominator.

Question 2

True or False: In the fraction 3/4, 3 is the numerator.

Answer 2

True

Question 3

Fill in the blank: The denominator of a fraction indicates the _____ of equal parts the whole is divided into.

Answer 3

number

Question 4

What is the first step in adding fractions with different denominators?

Answer 4

Find a common denominator.

Question 5

What is the common denominator of 1/3 and 1/4?

Answer 5

12

Question 6

True or False: To subtract fractions, you always need a common denominator.

Answer 6

True

Question 7

What is the result of 1/2 + 1/3?

Answer 7

5/6

Question 8

What is the result of 2/5 - 1/10?

Answer 8

3/10

Question 9

How do you multiply two fractions?

Answer 9

Multiply the numerators together and the denominators together.

Question 10

What is 2/3 × 3/4?

Answer 10

1/2

Question 11

Fill in the blank: To divide fractions, you multiply by the _____ of the second fraction.

Answer 11

reciprocal

Question 12

What is 3/5 ÷ 2/3?

Answer 12

9/10

Question 13

True or False: The fraction 4/8 can be simplified.

Answer 13

True

Question 14

What is the simplified form of 4/8?

Answer 14

1/2

Question 15

What do you call a fraction where the numerator is greater than the denominator?

Answer 15

An improper fraction.

Question 16

What is 5/4 as a mixed number?

Answer 16

1 1/4

Question 17

Fill in the blank: A _____ fraction has a numerator that is less than the denominator.

Answer 17

proper

Question 18

What is the least common multiple (LCM) of 6 and 8?

Answer 18

24

Question 19

What is the greatest common divisor (GCD) of 12 and 16?

Answer 19

4

Question 20

True or False: Fractions can only represent parts of a whole number.

Answer 20

False

Question 21

What is the sum of 1/6 and 1/2?

Answer 21

2/3

Question 22

What is the product of 3/7 and 2/5?

Answer 22

6/35

Question 23

Fill in the blank: When adding fractions, if the denominators are the same, you simply add the _____ together.

Answer 23

numerators

Question 24

What is the result of 7/10 - 2/5?

Answer 24

3/10

Question 25

How do you convert an improper fraction to a mixed number?

Answer 25

Divide the numerator by the denominator.

Question 26

What is 9/8 as a mixed number?

Answer 26

1 1/8

Question 27

True or False: The fraction 0/5 is equal to 1.

Answer 27

False

Question 28

What is the value of 1/4 + 3/8?

Answer 28

5/8

Question 29

What do you do to the fractions when they have a common denominator?

Answer 29

Add or subtract the numerators.

Question 30

What is the reciprocal of 5/6?

Answer 30

6/5

Question 31

What is 1/3 × 1/4?

Answer 31

1/12

Question 32

Fill in the blank: To simplify a fraction, divide the numerator and denominator by their _____.

Answer 32

GCD

Question 33

What is the sum of 1/2 and 2/3?

Answer 33

7/6

Question 34

What is 4/5 ÷ 1/2?

Answer 34

8/5

Question 35

True or False: The result of multiplying two fractions is always greater than the original fractions.

Answer 35

False

Question 36

What is the difference between 3/4 and 1/2?

Answer 36

1/4

Question 37

Fill in the blank: When you multiply a fraction by a whole number, you can express the whole number as a fraction with a denominator of _____.

Answer 37

1

Question 38

What is 2 × 3/4?

Answer 38

3/2 or 1 1/2

Question 39

What is the sum of 2/3 and 1/6?

Answer 39

5/6

Question 40

How do you find the LCM of two fractions?

Answer 40

Find the LCM of the numerators and the GCD of the denominators.

Question 41

What is the LCM of 2/3 and 4/5?

Answer 41

8/3

Question 42

True or False: Fractions can be added in any order.

Answer 42

True

Question 43

What is the result of 5/6 - 1/3?

Answer 43

1/2

Question 44

What is the product of 1/2 and 2/3?

Answer 44

1/3

Question 45

What is 3/4 ÷ 1/2?

Answer 45

3/2 or 1 1/2

Question 46

Fill in the blank: The fraction 1/8 is _____ than 1/4.

Answer 46

less

Question 47

What is the difference between 5/6 and 1/2?

Answer 47

1/3

Question 48

What is the simplified form of 10/15?

Answer 48

2/3