The mixed number 90 11/8 written as an improper fraction is 731/8
To turn the mixed number 90 11/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 8 = 720.
After that, add the result to the numerator of the fractional part: 720 + 11 = 731.
Next, Write the sum of the previous step on the original denominator: 731/8.
This means that 90 11/8, as an improper fraction, equals 731/8.
See also: 90 11/8 as a decimal