Common Denominators Quiz

Find the common denominator for the fractions 1/3 and 2/5.

• 10

• 8

• 15

• 12

What is the common denominator for the fractions 3/4 and 1/2?

• 2

• 3

• 4

• 5

Add the fractions 1/6 and 3/6.

• 4/6

• 7/6

• 5/6

• 2/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Subtract the fractions 5/8 and 1/8.

• 4/8

• 6/8

• 2/8

• 3/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the common denominator for the fractions 2/7 and 3/14.

• 28

• 21

• 14

• 7

What is the common denominator for the fractions 4/9 and 2/3?

• 4

• 3

• 2

• 9

Add the fractions 2/5 and 1/5.

• 3/5

• 7/10

• 4/5

• 1/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Subtract the fractions 7/12 and 1/12.

• 2/12

• 8/12

• 5/12

• 6/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the common denominator for the fractions 3/10 and 1/5.

• 5

• 15

• 20

• 10

What is the common denominator for the fractions 5/6 and 1/3?

• 8

• 2

• 6

• 4