The mixed number 12 31/100 written as an improper fraction is 1231/100
To turn the mixed number 12 31/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 12 × 100 = 1200.
After that, add the result to the numerator of the fractional part: 1200 + 31 = 1231.
Next, Write the sum of the previous step on the original denominator: 1231/100.
This means that 12 31/100, as an improper fraction, equals 1231/100.
See also: 12 31/100 as a decimal