The mixed number 20 99/20 written as an improper fraction is 499/20
To turn the mixed number 20 99/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 20 × 20 = 400.
After that, add the result to the numerator of the fractional part: 400 + 99 = 499.
Next, Write the sum of the previous step on the original denominator: 499/20.
This means that 20 99/20, as an improper fraction, equals 499/20.
See also: 20 99/20 as a decimal