The mixed number 6 21/40 written as an improper fraction is 261/40
To turn the mixed number 6 21/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 6 × 40 = 240.
After that, add the result to the numerator of the fractional part: 240 + 21 = 261.
Next, Write the sum of the previous step on the original denominator: 261/40.
This means that 6 21/40, as an improper fraction, equals 261/40.
See also: 6 21/40 as a decimal