The mixed number 87 13/8 written as an improper fraction is 709/8
To turn the mixed number 87 13/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 87 × 8 = 696.
After that, add the result to the numerator of the fractional part: 696 + 13 = 709.
Next, Write the sum of the previous step on the original denominator: 709/8.
This means that 87 13/8, as an improper fraction, equals 709/8.
See also: 87 13/8 as a decimal