What is 18 21/25 as an improper fraction?

The mixed number 18 21/25 written as an improper fraction is 471/25

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Convert 18 21/25 as an improper fraction

To turn the mixed number 18 21/25 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 18 × 25 = 450.

After that, add the result to the numerator of the fractional part: 450 + 21 = 471.

Next, Write the sum of the previous step on the original denominator: 471/25.

18
21/25
=
18 × 25 + 21/25
=
471/25

This means that 18 21/25, as an improper fraction, equals 471/25.

See also: 18 21/25 as a decimal

Examples of decimal to fraction calculations