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The four rules - adding, subtracting, division and multiplication - with fractions

- 7. Subtracting fractions To subtract fractions the denominator (the bottom bit) must be the same. Example
- 8. Subtracting fractions To subtract fractions the denominator (the bottom bit) must be the same. Example
- 9. Subtracting fractions To subtract fractions the denominator (the bottom bit) must be the same. Example
- 10. Now try these Click on the next slide to reveal the answers. 1 . 2 . 3 . 4 .
- 11. Now try these . 1 . 2 . 3 . 4 .
- 12. Multiplying fractions To multiply fractions we multiply the tops and multiply the bottoms Top x Top Bottom x Bottom
- 16. Now try these Click on the next slide to reveal the answers. 1 . 2 . 3 . 4 .
- 17. Now try these . 1 . 2 . 3 . 4 .
- 23. Now try these Click on the next screen to reveal the answers. 1 . 2 . 3 . 4 .
- 24. Now try these 1 . 2 . 3 . 4 .
- 38. Common denominators This is what we have done: 1. Multiply the bottoms
- 39. Common denominators This is what we have done: 1. Multiply the bottoms 2.Cross multiply
- 40. Common denominators This is what we have done: 1. Multiply the bottoms 2.Cross multiply
- 41. Common denominators This is what we have done: 1. Multiply the bottoms 2.Cross multiply
- 42. Now try these Click on the next slide to reveal the answers. 1 . 2 . 3 . 4 .
- 43. Now try these 1 . 2 . 3 . 4 .