The mixed number 31 21/125 written as an improper fraction is 3896/125
To turn the mixed number 31 21/125 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 31 × 125 = 3875.
After that, add the result to the numerator of the fractional part: 3875 + 21 = 3896.
Next, Write the sum of the previous step on the original denominator: 3896/125.
This means that 31 21/125, as an improper fraction, equals 3896/125.
See also: 31 21/125 as a decimal