The mixed number 72 57/40 written as an improper fraction is 2937/40
To turn the mixed number 72 57/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 72 × 40 = 2880.
After that, add the result to the numerator of the fractional part: 2880 + 57 = 2937.
Next, Write the sum of the previous step on the original denominator: 2937/40.
This means that 72 57/40, as an improper fraction, equals 2937/40.
See also: 72 57/40 as a decimal