The mixed number 12 89/20 written as an improper fraction is 329/20
To turn the mixed number 12 89/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 12 × 20 = 240.
After that, add the result to the numerator of the fractional part: 240 + 89 = 329.
Next, Write the sum of the previous step on the original denominator: 329/20.
This means that 12 89/20, as an improper fraction, equals 329/20.
See also: 12 89/20 as a decimal