The mixed number 72 99/20 written as an improper fraction is 1539/20
To turn the mixed number 72 99/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 72 × 20 = 1440.
After that, add the result to the numerator of the fractional part: 1440 + 99 = 1539.
Next, Write the sum of the previous step on the original denominator: 1539/20.
This means that 72 99/20, as an improper fraction, equals 1539/20.
See also: 72 99/20 as a decimal