# Decimal 0.4 as a fraction

## What is 0.4 as a fraction in simplest form?

Answer: Decimal 0.4 as a fraction is 2/5 (β)
0.4=
2
/
5

The fractional equivalent of 0.4 is 2/5 (β)

## Explanation of 0.4 Decimal to Fraction Conversion

In order to find the simplest fraction form of 0.4 first we need to write out decimal number 0.4 as fraction. Any number can be written as a fraction quite simply - just divide it by 1:

0.4 =
0.4
/
1

Next we need to get rid of the decimal part in our numerator so that the numerator in our fraction becomes a whole number. To do so we need to multiply both numerator and denominator by 10 (because there are 1 digits after the decimal point in the number 0.4):

0.4 Γ 10
/
1 Γ 10
=
4
/
10

Now we need to simplify our fraction to its simplest form. To do so we have to find the Greatest Common Factor (GCF) of 4 and 10. To find the GCF of 2 numbers you can use our GCF Calculator . GCF of 4 and 10 is 2. So in order to simplify our fraction we need to divide both numerator and denominator by 2:

4 Γ· 2
/
10 Γ· 2
=
2
/
5

That's it! 0.4 as a fraction in it's simplest form is equal to 2/5 (β).

## About "Decimal to Fraction Converter" Calculator

This calculator will help you to convert any fraction to its simplest decimal form. For example, What is 0.4 as a fraction in simplest form? Enter the decimal number (e.g. '0.4') and click the 'Convert' button.

## FAQ

### What is 0.4 as a fraction in simplest form?

Decimal 0.4 as a fraction is 2/5 (β)