What is 21 79/20 as an improper fraction?

The mixed number 21 79/20 written as an improper fraction is 499/20

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Convert 21 79/20 as an improper fraction

To turn the mixed number 21 79/20 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 21 × 20 = 420.

After that, add the result to the numerator of the fractional part: 420 + 79 = 499.

Next, Write the sum of the previous step on the original denominator: 499/20.

21
79/20
=
21 × 20 + 79/20
=
499/20

This means that 21 79/20, as an improper fraction, equals 499/20.

See also: 21 79/20 as a decimal

Examples of decimal to fraction calculations