The mixed number 54 85/80 written as an improper fraction is 4405/80
To turn the mixed number 54 85/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 54 × 80 = 4320.
After that, add the result to the numerator of the fractional part: 4320 + 85 = 4405.
Next, Write the sum of the previous step on the original denominator: 4405/80.
This means that 54 85/80, as an improper fraction, equals 4405/80.
See also: 54 85/80 as a decimal