0.4 as a fraction equals 4/10 or 2/5.
Steps to convert 0.4 into a fraction.
Write 0.4 as0.41
Multiply both the numerator and denominator by 10 for each digit after the decimal point.
0.41=0.4 x 101 x 10=410
As a side note, the whole number-integral part is: empty
The decimal part is: .4 = 4/10
Full simple fraction breakdown: 40/100
= 4/10
= 2/5
Also, check out .375 in a fraction
