The mixed number 80 13/8 written as an improper fraction is 653/8
To turn the mixed number 80 13/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 80 × 8 = 640.
After that, add the result to the numerator of the fractional part: 640 + 13 = 653.
Next, Write the sum of the previous step on the original denominator: 653/8.
This means that 80 13/8, as an improper fraction, equals 653/8.
See also: 80 13/8 as a decimal