The mixed number 31 83/8 written as an improper fraction is 331/8
To turn the mixed number 31 83/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 31 × 8 = 248.
After that, add the result to the numerator of the fractional part: 248 + 83 = 331.
Next, Write the sum of the previous step on the original denominator: 331/8.
This means that 31 83/8, as an improper fraction, equals 331/8.
See also: 31 83/8 as a decimal