What is 20 57/20 as an improper fraction?

The mixed number 20 57/20 written as an improper fraction is 457/20

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Convert 20 57/20 as an improper fraction

To turn the mixed number 20 57/20 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 20 × 20 = 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: 457/20.

20
57/20
=
20 × 20 + 57/20
=
457/20

This means that 20 57/20, as an improper fraction, equals 457/20.

See also: 20 57/20 as a decimal

Examples of decimal to fraction calculations