The mixed number 1 51/40 written as an improper fraction is 91/40
To turn the mixed number 1 51/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 1 × 40 = 40.
After that, add the result to the numerator of the fractional part: 40 + 51 = 91.
Next, Write the sum of the previous step on the original denominator: 91/40.
This means that 1 51/40, as an improper fraction, equals 91/40.
See also: 1 51/40 as a decimal