The mixed number 89 18/80 written as an improper fraction is 7138/80
To turn the mixed number 89 18/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 89 × 80 = 7120.
After that, add the result to the numerator of the fractional part: 7120 + 18 = 7138.
Next, Write the sum of the previous step on the original denominator: 7138/80.
This means that 89 18/80, as an improper fraction, equals 7138/80.
See also: 89 18/80 as a decimal