The mixed number 6 99/40 written as an improper fraction is 339/40
To turn the mixed number 6 99/40 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 + 99 = 339.
Next, Write the sum of the previous step on the original denominator: 339/40.
This means that 6 99/40, as an improper fraction, equals 339/40.
See also: 6 99/40 as a decimal