3.4 as a Fraction

3.4 as a fraction is 17/5. As a mixed number that is 3 2/5.

How to convert 3.4 to a fraction

  1. 3.4 has one decimal place, so write it over 10 (a 1 followed by 1 zero) with the decimal point removed: 3.4 = 34/10.
  2. Find the greatest common divisor of 34 and 10: it is 2.
  3. Divide both by 2: 34 ÷ 2 = 17 and 10 ÷ 2 = 5.
  4. The answer is 17/5.

Since 17 is larger than 5, you can also write it as the mixed number 3 2/5: 17 ÷ 5 = 3 remainder 2.

Check

Divide the numerator by the denominator: 17 ÷ 5 = 3.4. As a percent, 3.4 = 340%.

Similar decimals

DecimalFraction
3.216/5
3.2513/4
3.333/10
3.3567/20
3.37527/8
3.4569/20
3.57/2
3.618/5

See also: 17/5 as a mixed number.

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