The mixed number 1 89/20 written as an improper fraction is 109/20
To turn the mixed number 1 89/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 1 × 20 = 20.
After that, add the result to the numerator of the fractional part: 20 + 89 = 109.
Next, Write the sum of the previous step on the original denominator: 109/20.
This means that 1 89/20, as an improper fraction, equals 109/20.
See also: 1 89/20 as a decimal