The mixed number 40 57/100 written as an improper fraction is 4057/100
To turn the mixed number 40 57/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 40 × 100 = 4000.
After that, add the result to the numerator of the fractional part: 4000 + 57 = 4057.
Next, Write the sum of the previous step on the original denominator: 4057/100.
This means that 40 57/100, as an improper fraction, equals 4057/100.
See also: 40 57/100 as a decimal