The mixed number 215 9/8 written as an improper fraction is 1729/8
To turn the mixed number 215 9/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 215 × 8 = 1720.
After that, add the result to the numerator of the fractional part: 1720 + 9 = 1729.
Next, Write the sum of the previous step on the original denominator: 1729/8.
This means that 215 9/8, as an improper fraction, equals 1729/8.
See also: 215 9/8 as a decimal