The mixed number 309 13/8 written as an improper fraction is 2485/8
To turn the mixed number 309 13/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 309 × 8 = 2472.
After that, add the result to the numerator of the fractional part: 2472 + 13 = 2485.
Next, Write the sum of the previous step on the original denominator: 2485/8.
This means that 309 13/8, as an improper fraction, equals 2485/8.
See also: 309 13/8 as a decimal