The mixed number 80 11/80 written as an improper fraction is 6411/80
To turn the mixed number 80 11/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 80 × 80 = 6400.
After that, add the result to the numerator of the fractional part: 6400 + 11 = 6411.
Next, Write the sum of the previous step on the original denominator: 6411/80.
This means that 80 11/80, as an improper fraction, equals 6411/80.
See also: 80 11/80 as a decimal