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=.4 / 1
Multiply the numerator and denominator by 10 to eliminate decimal places.
0.4 × 10 / 1 × 10=4 / 10
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 ÷ 2 / 10 ÷ 2=2 / 5
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.
Fraction:
Steps to Solve
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You can also use our equivalent fractions chart to find the equivalent fraction for even more decimals.