The mixed number 10 31/40 written as an improper fraction is 431/40
To turn the mixed number 10 31/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 10 × 40 = 400.
After that, add the result to the numerator of the fractional part: 400 + 31 = 431.
Next, Write the sum of the previous step on the original denominator: 431/40.
This means that 10 31/40, as an improper fraction, equals 431/40.
See also: 10 31/40 as a decimal