What is 21 18/10 as an improper fraction?

The mixed number 21 18/10 written as an improper fraction is 228/10

/
=
/

Convert 21 18/10 as an improper fraction

To turn the mixed number 21 18/10 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 21 × 10 = 210.

After that, add the result to the numerator of the fractional part: 210 + 18 = 228.

Next, Write the sum of the previous step on the original denominator: 228/10.

21
18/10
=
21 × 10 + 18/10
=
228/10

This means that 21 18/10, as an improper fraction, equals 228/10.

See also: 21 18/10 as a decimal

Examples of decimal to fraction calculations