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Maths & Numbers

Fractions, Decimals & Percentages Chart

Compare common fractions, decimals and percentages and see the rules for converting between them.

Basic Fraction Calculator

Add, subtract, multiply or divide two fractions. The answer is automatically simplified and also shown as a mixed number, decimal and percentage.

FRACTION 1
OPERATION
FRACTION 2

Common Equivalents

FractionDecimalPercentage
1/100.110%
1/80.12512.5%
1/60.166716.67%
1/50.220%
1/40.2525%
1/30.3333…33.33…%
3/80.37537.5%
2/50.440%
1/20.550%
3/50.660%
5/80.62562.5%
2/30.6667…66.67…%
3/40.7575%
4/50.880%
7/80.87587.5%
9/100.990%

Conversion Rules

  • Fraction → decimal: divide numerator by denominator.
  • Decimal → percentage: multiply by 100 and add %.
  • Percentage → decimal: divide by 100.
  • Percentage → fraction: place the percentage over 100, then simplify.

Examples

3/5: 3 ÷ 5 = 0.6 = 60%.
35%: 35 ÷ 100 = 0.35 = 7/20.