Mastering Fraction Operations

Front

Adding 1/4 and 3/8

Back

Convert to common denominator: 2/8 + 3/8 = 5/8

Front

Subtracting 5/6 from 3/4

Back

Convert to common denominator: 10/12 - 9/12 = 1/12

Front

Multiplying 2/3 by 4/5

Back

Multiply numerators and denominators: 2 × 4 / 3 × 5 = 8/15

Front

Dividing 7/9 by 2/3

Back

Multiply by reciprocal: 7/9 × 3/2 = 21/18 = 7/6

Front

Adding 2/5 and 1/3

Back

Convert to common denominator: 6/15 + 5/15 = 11/15

Front

Subtracting 7/8 from 5/4

Back

Convert to common denominator: 10/8 - 7/8 = 3/8

Front

Multiplying 3/7 by 2/9

Back

Multiply numerators and denominators: 3 × 2 / 7 × 9 = 6/63 = 2/21

Front

Dividing 5/6 by 1/2

Back

Multiply by reciprocal: 5/6 × 2/1 = 10/6 = 5/3

Front

Adding 3/10 and 4/15

Back

Convert to common denominator: 9/30 + 8/30 = 17/30

Front

Subtracting 11/12 from 3/2

Back

Convert to common denominator: 18/12 - 11/12 = 7/12