3.8 as a Fraction

3.8 as a fraction is 19/5. As a mixed number that is 3 4/5.

How to convert 3.8 to a fraction

  1. 3.8 has one decimal place, so write it over 10 (a 1 followed by 1 zero) with the decimal point removed: 3.8 = 38/10.
  2. Find the greatest common divisor of 38 and 10: it is 2.
  3. Divide both by 2: 38 ÷ 2 = 19 and 10 ÷ 2 = 5.
  4. The answer is 19/5.

Since 19 is larger than 5, you can also write it as the mixed number 3 4/5: 19 ÷ 5 = 3 remainder 4.

Check

Divide the numerator by the denominator: 19 ÷ 5 = 3.8. As a percent, 3.8 = 380%.

Similar decimals

DecimalFraction
3.618/5
3.62529/8
3.6573/20
3.737/10
3.7515/4
3.87531/8
3.939/10
4.01401/100

See also: 19/5 as a mixed number.

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