The mixed number 13 11/40 written as an improper fraction is 531/40
To turn the mixed number 13 11/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 13 × 40 = 520.
After that, add the result to the numerator of the fractional part: 520 + 11 = 531.
Next, Write the sum of the previous step on the original denominator: 531/40.
This means that 13 11/40, as an improper fraction, equals 531/40.
See also: 13 11/40 as a decimal