The mixed number 57 87/10 written as an improper fraction is 657/10
To turn the mixed number 57 87/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 57 × 10 = 570.
After that, add the result to the numerator of the fractional part: 570 + 87 = 657.
Next, Write the sum of the previous step on the original denominator: 657/10.
This means that 57 87/10, as an improper fraction, equals 657/10.
See also: 57 87/10 as a decimal