What is 5 57/80 as an improper fraction?

The mixed number 5 57/80 written as an improper fraction is 457/80

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Convert 5 57/80 as an improper fraction

To turn the mixed number 5 57/80 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 5 × 80 = 400.

After that, add the result to the numerator of the fractional part: 400 + 57 = 457.

Next, Write the sum of the previous step on the original denominator: 457/80.

5
57/80
=
5 × 80 + 57/80
=
457/80

This means that 5 57/80, as an improper fraction, equals 457/80.

See also: 5 57/80 as a decimal

Examples of decimal to fraction calculations