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Year 5 · Fractions, Decimals & Percentages

Add fractions (same denominator)

To add fractions the bottom numbers must match. Then add the tops and keep the bottom.

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How to do it

  1. Check the bottoms. If different, change them to a common one.
  2. Add the top numbers.
  3. Keep the bottom number. Simplify if you can.

Worked example

1/5 + 2/5
Same bottoms. Tops: 1 + 2 = 3
3/5

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Watch out
Never add the bottom numbers.

Practise Add fractions (same denominator) properly

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