The mixed number 55 15/80 written as an improper fraction is 4415/80
To turn the mixed number 55 15/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 55 × 80 = 4400.
After that, add the result to the numerator of the fractional part: 4400 + 15 = 4415.
Next, Write the sum of the previous step on the original denominator: 4415/80.
This means that 55 15/80, as an improper fraction, equals 4415/80.
See also: 55 15/80 as a decimal