The mixed number 38 91/40 written as an improper fraction is 1611/40
To turn the mixed number 38 91/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 38 × 40 = 1520.
After that, add the result to the numerator of the fractional part: 1520 + 91 = 1611.
Next, Write the sum of the previous step on the original denominator: 1611/40.
This means that 38 91/40, as an improper fraction, equals 1611/40.
See also: 38 91/40 as a decimal