The mixed number 64 90/10 written as an improper fraction is 730/10
To turn the mixed number 64 90/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 64 × 10 = 640.
After that, add the result to the numerator of the fractional part: 640 + 90 = 730.
Next, Write the sum of the previous step on the original denominator: 730/10.
This means that 64 90/10, as an improper fraction, equals 730/10.
See also: 64 90/10 as a decimal