The mixed number 11 17/40 written as an improper fraction is 457/40
To turn the mixed number 11 17/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 11 × 40 = 440.
After that, add the result to the numerator of the fractional part: 440 + 17 = 457.
Next, Write the sum of the previous step on the original denominator: 457/40.
This means that 11 17/40, as an improper fraction, equals 457/40.
See also: 11 17/40 as a decimal