The mixed number 128 89/100 written as an improper fraction is 12889/100
To turn the mixed number 128 89/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 128 × 100 = 12800.
After that, add the result to the numerator of the fractional part: 12800 + 89 = 12889.
Next, Write the sum of the previous step on the original denominator: 12889/100.
This means that 128 89/100, as an improper fraction, equals 12889/100.
See also: 128 89/100 as a decimal