Fractions with Unlike Denominators

Find the least common denominator for the fractions 1/3 and 1/4.

• 2

• 6

• 10

• 12

Add the fractions 2/5 and 3/8.

• 1/2

• 7/10

• 31/40

• 5/13

Subtract the fractions 7/12 and 1/6.

• 2/12

• 3/12

• 5/12

• 1/12

Find the least common denominator for the fractions 2/7 and 3/5.

• 21

• 14

• 35

• 10

Add the fractions 4/9 and 5/6.

• 9/24

• 1/2

• 23/18

• 7/12

Subtract the fractions 3/10 and 1/5.

• 4/10

• 5/10

• 1/10

• 2/10

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

• 2

• 3

• 4

• 6

Add the fractions 3/4 and 2/5.

• 23/20

• 1/2

• 5/8

• 7/9

Subtract the fractions 5/8 and 1/4.

• 1/8

• 2/8

• 4/8

• 3/8

Find the least common denominator for the fractions 3/8 and 5/6.

• 24

• 12

• 18

• 30