The mixed number 66 4/80 written as an improper fraction is 5284/80
To turn the mixed number 66 4/80 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 + 4 = 5284.
Next, Write the sum of the previous step on the original denominator: 5284/80.
This means that 66 4/80, as an improper fraction, equals 5284/80.
See also: 66 4/80 as a decimal