The mixed number 4 91/20 written as an improper fraction is 171/20
To turn the mixed number 4 91/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 4 × 20 = 80.
After that, add the result to the numerator of the fractional part: 80 + 91 = 171.
Next, Write the sum of the previous step on the original denominator: 171/20.
This means that 4 91/20, as an improper fraction, equals 171/20.
See also: 4 91/20 as a decimal