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Year 7 · Fractions, Decimals & Percentages

Fractions, decimals and percentages

Fractions, decimals and percentages are three ways of writing the same amount.

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How to do it

  1. Fraction → decimal: divide top by bottom.
  2. Decimal → percentage: multiply by 100.
  3. Percentage → fraction: write over 100 and simplify.

Worked example

3/4
3 ÷ 4 = 0.75
0.75 × 100 = 75%

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Remember the common ones: 1/2 = 0.5 = 50%, 1/4 = 0.25 = 25%.

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