The mixed number 128 5/10 written as an improper fraction is 1285/10
To turn the mixed number 128 5/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 128 × 10 = 1280.
After that, add the result to the numerator of the fractional part: 1280 + 5 = 1285.
Next, Write the sum of the previous step on the original denominator: 1285/10.
This means that 128 5/10, as an improper fraction, equals 1285/10.
See also: 128 5/10 as a decimal