.40 as a fraction equals 40/100 or 2/5
Steps to convert .40 into a fraction.
Write .40 as .401
Multiply both the numerator and denominator by 10 for each digit after the decimal point.
.401=.40 x 1001 x 100=40100
As a side note the whole number-integral part is: empty
The decimal part is: .40 = 40/100
Full simple fraction breakdown: 40/100
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