0.45 as a Fraction

0.45 as a fraction is 9/20.

How to convert 0.45 to a fraction

  1. 0.45 has 2 decimal places, so write it over 100 (a 1 followed by 2 zeros) with the decimal point removed: 0.45 = 45/100.
  2. Find the greatest common divisor of 45 and 100: it is 5.
  3. Divide both by 5: 45 ÷ 5 = 9 and 100 ÷ 5 = 20.
  4. The answer is 9/20.

Check

Divide the numerator by the denominator: 9 ÷ 20 = 0.45. As a percent, 0.45 = 45%.

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See also: 9/20 as a decimal.

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