The mixed number 12 70/80 written as an improper fraction is 1030/80
To turn the mixed number 12 70/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 12 × 80 = 960.
After that, add the result to the numerator of the fractional part: 960 + 70 = 1030.
Next, Write the sum of the previous step on the original denominator: 1030/80.
This means that 12 70/80, as an improper fraction, equals 1030/80.
See also: 12 70/80 as a decimal