The mixed number 172 9/80 written as an improper fraction is 13769/80
To turn the mixed number 172 9/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 172 × 80 = 13760.
After that, add the result to the numerator of the fractional part: 13760 + 9 = 13769.
Next, Write the sum of the previous step on the original denominator: 13769/80.
This means that 172 9/80, as an improper fraction, equals 13769/80.
See also: 172 9/80 as a decimal