What is 1 9/80 as an improper fraction?

The mixed number 1 9/80 written as an improper fraction is 89/80

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=
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Convert 1 9/80 as an improper fraction

To turn the mixed number 1 9/80 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 1 × 80 = 80.

After that, add the result to the numerator of the fractional part: 80 + 9 = 89.

Next, Write the sum of the previous step on the original denominator: 89/80.

1
9/80
=
1 × 80 + 9/80
=
89/80

This means that 1 9/80, as an improper fraction, equals 89/80.

See also: 1 9/80 as a decimal

Examples of decimal to fraction calculations