The mixed number 80 91/40 written as an improper fraction is 3291/40
To turn the mixed number 80 91/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 80 × 40 = 3200.
After that, add the result to the numerator of the fractional part: 3200 + 91 = 3291.
Next, Write the sum of the previous step on the original denominator: 3291/40.
This means that 80 91/40, as an improper fraction, equals 3291/40.
See also: 80 91/40 as a decimal