The mixed number 57 84/80 written as an improper fraction is 4644/80
To turn the mixed number 57 84/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 57 × 80 = 4560.
After that, add the result to the numerator of the fractional part: 4560 + 84 = 4644.
Next, Write the sum of the previous step on the original denominator: 4644/80.
This means that 57 84/80, as an improper fraction, equals 4644/80.
See also: 57 84/80 as a decimal