The mixed number 55 70/80 written as an improper fraction is 4470/80
To turn the mixed number 55 70/80 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 + 70 = 4470.
Next, Write the sum of the previous step on the original denominator: 4470/80.
This means that 55 70/80, as an improper fraction, equals 4470/80.
See also: 55 70/80 as a decimal