Multiplying fractions
You learn to multiply fractions by each other, and a fraction by a whole number.
How to work it out
- Multiply the top numbers.
- Multiply the bottom numbers.
- Simplify, and write a mixed number if the top is bigger than the bottom.
12 × 13
- Multiply the tops: 1 × 1 = 1.
- Multiply the bottoms: 2 × 3 = 6.
- It is 16.
More examples
23 × 14
- Multiply the tops: 2 × 1 = 2.
- Multiply the bottoms: 3 × 4 = 12, so 212.
- Simplify it: it is 16.
25 × 4
- Multiply only the top by 4: 2 × 4 = 8.
- Keep the 5 at the bottom.
- It is 85.