The mixed number 128 9/100 written as an improper fraction is 12809/100
To turn the mixed number 128 9/100 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 + 9 = 12809.
Next, Write the sum of the previous step on the original denominator: 12809/100.
This means that 128 9/100, as an improper fraction, equals 12809/100.
See also: 128 9/100 as a decimal