What is 128 17/80 as an improper fraction?

The mixed number 128 17/80 written as an improper fraction is 10257/80

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Convert 128 17/80 as an improper fraction

To turn the mixed number 128 17/80 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 128 × 80 = 10240.

After that, add the result to the numerator of the fractional part: 10240 + 17 = 10257.

Next, Write the sum of the previous step on the original denominator: 10257/80.

128
17/80
=
128 × 80 + 17/80
=
10257/80

This means that 128 17/80, as an improper fraction, equals 10257/80.

See also: 128 17/80 as a decimal

Examples of decimal to fraction calculations