Fractions: Adding and Subtracting

Front

Adding fractions with like denominators

Back

Add numerators, keep denominator

Front

Subtracting fractions with like denominators

Back

Subtract numerators, keep denominator

Front

Adding fractions with unlike denominators

Back

Find common denominator, then add

Front

Subtracting fractions with unlike denominators

Back

Find common denominator, then subtract

Front

Common denominator

Back

Least common multiple of denominators

Front

1/4 + 1/4

Back

2/4 = 1/2

Front

3/5 - 1/5

Back

2/5

Front

2/3 + 1/6

Back

4/6 + 1/6 = 5/6

Front

5/8 - 1/4

Back

5/8 - 2/8 = 3/8

Front

Negative fraction addition

Back

Add absolute values, keep negative sign