The mixed number 3 99/8 written as an improper fraction is 123/8
To turn the mixed number 3 99/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 3 × 8 = 24.
After that, add the result to the numerator of the fractional part: 24 + 99 = 123.
Next, Write the sum of the previous step on the original denominator: 123/8.
This means that 3 99/8, as an improper fraction, equals 123/8.
See also: 3 99/8 as a decimal