Adding and Subtracting Fractions

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

• 6

• 3

• 12

• 4

Convert the fraction 2/5 to an equivalent fraction with a denominator of 10.

• 2/10

• 5/10

• 4/10

• 3/10

Add the fractions 3/8 and 1/6.

• 11/24

• 4/14

• 5/12

• 2/9

Subtract the fractions 5/12 and 1/9.

• The result of subtracting 5/12 and 1/9 is 2/21.

• The result of subtracting 5/12 and 1/9 is 1/6.

• The result of subtracting 5/12 and 1/9 is 4/21.

• The result of subtracting 5/12 and 1/9 is 3/36 or 1/12.

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

• The least common denominator for the fractions 2/7 and 3/5 is 35.

• The least common denominator for the fractions 2/7 and 3/5 is 14.

• The least common denominator for the fractions 2/7 and 3/5 is 25.

• The least common denominator for the fractions 2/7 and 3/5 is 10.

Convert the fraction 4/9 to an equivalent fraction with a denominator of 36.

• 9/36

• 20/36

• 5/36

• 16/36

Add the fractions 2/3 and 1/5.

• 11/15

• 5/8

• 7/11

• 3/7

Subtract the fractions 7/10 and 3/8.

• The result of subtracting 7/10 and 3/8 is 2/3.

• The result of subtracting 7/10 and 3/8 is 5/18.

• The result of subtracting 7/10 and 3/8 is 29/40.

• The result of subtracting 7/10 and 3/8 is 1/5.

Find the least common denominator for the fractions 3/4 and 5/6.

• 12

• 10

• 15

• 8

Convert the fraction 1/2 to an equivalent fraction with a denominator of 16.

• 8/16

• 5/10

• 3/16

• 4/8