Math Doctor

Adding Fractions

Fractions represent parts of a whole.

Same Denominator

1/4 + 2/4 = 3/4

When denominators are the same, add the numerators.

Different Denominators

1/2 + 1/3

The least common denominator is 6.

3/6 + 2/6 = 5/6

Practice Problems

  1. 1/5 + 2/5
  2. 1/4 + 1/2
  3. 2/3 + 1/6