What is 0.4 as a fraction?
0.4=
0.4 = 2/5 in simplest form. As a percent it is 40%.
How to convert 0.4 to a fraction
- There is 1 digit after the decimal point, so the last digit is in the tenths place. Write the digits over 10.
0.4 = 4/10 - Simplify by dividing top and bottom by the GCF, 2.
4/10 = 2/5
Fractions equal to 2/5
4/10 = 6/15 = 8/20 = 10/25 = 20/50 = 2/5. All are equivalent; 2/5 is the one in lowest terms.
Convert another value with the decimal to fraction converter, or see neighbours in the fraction chart.
Questions people ask
What is 0.4 as a fraction?
0.4 as a fraction is 2/5. Written over 10 it is 4/10, which simplifies to 2/5.
What is 0.4 as a percent?
0.4 × 100 = 40%.