The mixed number 129 67/80 written as an improper fraction is 10387/80
To turn the mixed number 129 67/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 129 × 80 = 10320.
After that, add the result to the numerator of the fractional part: 10320 + 67 = 10387.
Next, Write the sum of the previous step on the original denominator: 10387/80.
This means that 129 67/80, as an improper fraction, equals 10387/80.
See also: 129 67/80 as a decimal