The mixed number 66 6/80 written as an improper fraction is 5286/80
To turn the mixed number 66 6/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 66 × 80 = 5280.
After that, add the result to the numerator of the fractional part: 5280 + 6 = 5286.
Next, Write the sum of the previous step on the original denominator: 5286/80.
This means that 66 6/80, as an improper fraction, equals 5286/80.
See also: 66 6/80 as a decimal