The mixed number 5 78/80 written as an improper fraction is 478/80
To turn the mixed number 5 78/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 5 × 80 = 400.
After that, add the result to the numerator of the fractional part: 400 + 78 = 478.
Next, Write the sum of the previous step on the original denominator: 478/80.
This means that 5 78/80, as an improper fraction, equals 478/80.
See also: 5 78/80 as a decimal