The mixed number 31 78/100 written as an improper fraction is 3178/100
To turn the mixed number 31 78/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 31 × 100 = 3100.
After that, add the result to the numerator of the fractional part: 3100 + 78 = 3178.
Next, Write the sum of the previous step on the original denominator: 3178/100.
This means that 31 78/100, as an improper fraction, equals 3178/100.
See also: 31 78/100 as a decimal