0.21 as a Fraction

0.21 as a fraction is 21/100.

How to convert 0.21 to a fraction

  1. 0.21 has 2 decimal places, so write it over 100 (a 1 followed by 2 zeros) with the decimal point removed: 0.21 = 21/100.
  2. Find the greatest common divisor of 21 and 100: it is 1.
  3. Divide both by 1: 21 ÷ 1 = 21 and 100 ÷ 1 = 100.
  4. The answer is 21/100 (already in lowest terms).

Check

Divide the numerator by the denominator: 21 ÷ 100 = 0.21. As a percent, 0.21 = 21%.

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See also: 21/100 as a decimal.

Another decimal? Use the decimal to fraction converter or browse the decimal to fraction chart.