What is 40 57/20 as an improper fraction?

The mixed number 40 57/20 written as an improper fraction is 857/20

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Convert 40 57/20 as an improper fraction

To turn the mixed number 40 57/20 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 40 × 20 = 800.

After that, add the result to the numerator of the fractional part: 800 + 57 = 857.

Next, Write the sum of the previous step on the original denominator: 857/20.

40
57/20
=
40 × 20 + 57/20
=
857/20

This means that 40 57/20, as an improper fraction, equals 857/20.

See also: 40 57/20 as a decimal

Examples of decimal to fraction calculations