The mixed number 9 70/80 written as an improper fraction is 790/80
To turn the mixed number 9 70/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 9 × 80 = 720.
After that, add the result to the numerator of the fractional part: 720 + 70 = 790.
Next, Write the sum of the previous step on the original denominator: 790/80.
This means that 9 70/80, as an improper fraction, equals 790/80.
See also: 9 70/80 as a decimal