The mixed number 21 91/100 written as an improper fraction is 2191/100
To turn the mixed number 21 91/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 100 = 2100.
After that, add the result to the numerator of the fractional part: 2100 + 91 = 2191.
Next, Write the sum of the previous step on the original denominator: 2191/100.
This means that 21 91/100, as an improper fraction, equals 2191/100.
See also: 21 91/100 as a decimal