Multiplying fractions

You learn to multiply fractions by each other, and a fraction by a whole number.

How to work it out

  1. Multiply the top numbers.
  2. Multiply the bottom numbers.
  3. Simplify, and write a mixed number if the top is bigger than the bottom.
23142122 squares overlap

12 × 13

  1. Multiply the tops: 1 × 1 = 1.
  2. Multiply the bottoms: 2 × 3 = 6.
  3. It is 16.
1213161 square overlap
More examples

23 × 14

  1. Multiply the tops: 2 × 1 = 2.
  2. Multiply the bottoms: 3 × 4 = 12, so 212.
  3. Simplify it: it is 16.

25 × 4

  1. Multiply only the top by 4: 2 × 4 = 8.
  2. Keep the 5 at the bottom.
  3. It is 85.
254858 squares overlap