The mixed number 13 18/40 written as an improper fraction is 538/40
To turn the mixed number 13 18/40 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 + 18 = 538.
Next, Write the sum of the previous step on the original denominator: 538/40.
This means that 13 18/40, as an improper fraction, equals 538/40.
See also: 13 18/40 as a decimal