The mixed number 215 39/40 written as an improper fraction is 8639/40
To turn the mixed number 215 39/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 215 × 40 = 8600.
After that, add the result to the numerator of the fractional part: 8600 + 39 = 8639.
Next, Write the sum of the previous step on the original denominator: 8639/40.
This means that 215 39/40, as an improper fraction, equals 8639/40.
See also: 215 39/40 as a decimal