The mixed number 99 1/80 written as an improper fraction is 7921/80
To turn the mixed number 99 1/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 99 × 80 = 7920.
After that, add the result to the numerator of the fractional part: 7920 + 1 = 7921.
Next, Write the sum of the previous step on the original denominator: 7921/80.
This means that 99 1/80, as an improper fraction, equals 7921/80.
See also: 99 1/80 as a decimal