1.05 as a Fraction

1.05 as a fraction is 21/20. As a mixed number that is 1 1/20.

How to convert 1.05 to a fraction

  1. 1.05 has 2 decimal places, so write it over 100 (a 1 followed by 2 zeros) with the decimal point removed: 1.05 = 105/100.
  2. Find the greatest common divisor of 105 and 100: it is 5.
  3. Divide both by 5: 105 ÷ 5 = 21 and 100 ÷ 5 = 20.
  4. The answer is 21/20.

Since 21 is larger than 20, you can also write it as the mixed number 1 1/20: 21 ÷ 20 = 1 remainder 1.

Check

Divide the numerator by the denominator: 21 ÷ 20 = 1.05. As a percent, 1.05 = 105%.

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