What is 21 18/80 as an improper fraction?

The mixed number 21 18/80 written as an improper fraction is 1698/80

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Convert 21 18/80 as an improper fraction

To turn the mixed number 21 18/80 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 21 × 80 = 1680.

After that, add the result to the numerator of the fractional part: 1680 + 18 = 1698.

Next, Write the sum of the previous step on the original denominator: 1698/80.

21
18/80
=
21 × 80 + 18/80
=
1698/80

This means that 21 18/80, as an improper fraction, equals 1698/80.

See also: 21 18/80 as a decimal

Examples of decimal to fraction calculations