The mixed number 57 1/40 written as an improper fraction is 2281/40
To turn the mixed number 57 1/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 57 × 40 = 2280.
After that, add the result to the numerator of the fractional part: 2280 + 1 = 2281.
Next, Write the sum of the previous step on the original denominator: 2281/40.
This means that 57 1/40, as an improper fraction, equals 2281/40.
See also: 57 1/40 as a decimal