Equivalent Fractions Least Common Denominator

What is the least common denominator of 1/4 and 2/5?

• 5

• 25

• 10

• 20

Complete the equivalent fraction.

• 2

• 12

• 1

• 4

What is the least common denominator for 3 and 4?

• 6

• 4

• 3

• 12

What is the least common denominator for 7 and 2?

• 12

• 14

• 7

• 6

I should use LCM (least common multiple) when trying to find a common denominator.

• true

• false

Reduce the following fraction:
16/20 =

• 8/10

• 4/5

• 1/2

• 16/20

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

What is the least common denominator of 2/6 and 7/8?

• 36

• 8

• 18

• 24

What is the least common denominator of 2/4 and 4/7?

• 24

• 7

• 42

• 28

What is the least common denominator of 3/5 and 5/7?

• 35

• 25

• 7

• 30