What is 80 9/80 as an improper fraction?

The mixed number 80 9/80 written as an improper fraction is 6409/80

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Convert 80 9/80 as an improper fraction

To turn the mixed number 80 9/80 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 80 × 80 = 6400.

After that, add the result to the numerator of the fractional part: 6400 + 9 = 6409.

Next, Write the sum of the previous step on the original denominator: 6409/80.

80
9/80
=
80 × 80 + 9/80
=
6409/80

This means that 80 9/80, as an improper fraction, equals 6409/80.

See also: 80 9/80 as a decimal

Examples of decimal to fraction calculations