The mixed number 64 80/25 written as an improper fraction is 1680/25
To turn the mixed number 64 80/25 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 64 × 25 = 1600.
After that, add the result to the numerator of the fractional part: 1600 + 80 = 1680.
Next, Write the sum of the previous step on the original denominator: 1680/25.
This means that 64 80/25, as an improper fraction, equals 1680/25.
See also: 64 80/25 as a decimal