The mixed number 8 23/80 written as an improper fraction is 663/80
To turn the mixed number 8 23/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 8 × 80 = 640.
After that, add the result to the numerator of the fractional part: 640 + 23 = 663.
Next, Write the sum of the previous step on the original denominator: 663/80.
This means that 8 23/80, as an improper fraction, equals 663/80.
See also: 8 23/80 as a decimal