The mixed number 217 31/40 written as an improper fraction is 8711/40
To turn the mixed number 217 31/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 217 × 40 = 8680.
After that, add the result to the numerator of the fractional part: 8680 + 31 = 8711.
Next, Write the sum of the previous step on the original denominator: 8711/40.
This means that 217 31/40, as an improper fraction, equals 8711/40.
See also: 217 31/40 as a decimal