What is 15 21/10 as an improper fraction?

The mixed number 15 21/10 written as an improper fraction is 171/10

/
=
/

Convert 15 21/10 as an improper fraction

To turn the mixed number 15 21/10 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 15 × 10 = 150.

After that, add the result to the numerator of the fractional part: 150 + 21 = 171.

Next, Write the sum of the previous step on the original denominator: 171/10.

15
21/10
=
15 × 10 + 21/10
=
171/10

This means that 15 21/10, as an improper fraction, equals 171/10.

See also: 15 21/10 as a decimal

Examples of decimal to fraction calculations