The mixed number 31 100/20 written as an improper fraction is 720/20
To turn the mixed number 31 100/20 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 + 100 = 720.
Next, Write the sum of the previous step on the original denominator: 720/20.
This means that 31 100/20, as an improper fraction, equals 720/20.
See also: 31 100/20 as a decimal