The mixed number 11 11/80 written as an improper fraction is 891/80
To turn the mixed number 11 11/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 11 × 80 = 880.
After that, add the result to the numerator of the fractional part: 880 + 11 = 891.
Next, Write the sum of the previous step on the original denominator: 891/80.
This means that 11 11/80, as an improper fraction, equals 891/80.
See also: 11 11/80 as a decimal