What is 0.4 as a Fraction?

Are you trying to figure out how to write 0.4 in the form of a fraction?

Solution: 0.4 as a fraction is 2/5

Follow along to see how to convert decimals like this to a fraction.

How to Convert 0.4 to a Fraction

You can convert 0.4 to fraction form by following a few easy steps.

Convert the decimal into a fraction by putting the decimal over 1 in fraction format.
0.4=.41
Multiply the numerator and denominator by 10 to eliminate decimal places.
0.4 × 101 × 10=410
Reduce the fraction by finding the greatest common factor (GCF) of the numerator and denominator.
GCF of 4 and 10 = 2
Divide the numerator and denominator by the greatest common factor (2).
4 ÷ 210 ÷ 2=25

Thus, the resulting fraction is 2/5.

The process to convert fractions back to decimals is a bit different; learn how to express 2/5 as a decimal.

Convert Another Decimal to a Fraction

Use our decimal to fraction calculator to show any decimal as a fraction. The calculator will show each step in the conversion, so you can see how it's done.

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Fraction:

 

Steps to Solve

 
 
Learn how we calculated this below

More Decimal to Fraction Conversions

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You can also use our equivalent fractions chart to find the equivalent fraction for even more decimals.

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