The mixed number 91 90/40 written as an improper fraction is 3730/40
To turn the mixed number 91 90/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 91 × 40 = 3640.
After that, add the result to the numerator of the fractional part: 3640 + 90 = 3730.
Next, Write the sum of the previous step on the original denominator: 3730/40.
This means that 91 90/40, as an improper fraction, equals 3730/40.
See also: 91 90/40 as a decimal