The mixed number 231 21/40 written as an improper fraction is 9261/40
To turn the mixed number 231 21/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 231 × 40 = 9240.
After that, add the result to the numerator of the fractional part: 9240 + 21 = 9261.
Next, Write the sum of the previous step on the original denominator: 9261/40.
This means that 231 21/40, as an improper fraction, equals 9261/40.
See also: 231 21/40 as a decimal