The mixed number 31 61/20 written as an improper fraction is 681/20
To turn the mixed number 31 61/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 31 × 20 = 620.
After that, add the result to the numerator of the fractional part: 620 + 61 = 681.
Next, Write the sum of the previous step on the original denominator: 681/20.
This means that 31 61/20, as an improper fraction, equals 681/20.
See also: 31 61/20 as a decimal