The mixed number 39 91/80 written as an improper fraction is 3211/80
To turn the mixed number 39 91/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 39 × 80 = 3120.
After that, add the result to the numerator of the fractional part: 3120 + 91 = 3211.
Next, Write the sum of the previous step on the original denominator: 3211/80.
This means that 39 91/80, as an improper fraction, equals 3211/80.
See also: 39 91/80 as a decimal