The mixed number 9 91/40 written as an improper fraction is 451/40
To turn the mixed number 9 91/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 9 × 40 = 360.
After that, add the result to the numerator of the fractional part: 360 + 91 = 451.
Next, Write the sum of the previous step on the original denominator: 451/40.
This means that 9 91/40, as an improper fraction, equals 451/40.
See also: 9 91/40 as a decimal