# How do you find the least common denominator for rational expressions?

##### 1 Answer

Nov 2, 2014

The least common denominator is the least common multiple of denominators.

**Example**

Find the least common denominator to compute:

Let us observe:

Multiples of **12**,

Multiples of **12**,

Multiples of **12**,

So, the least common multiple of

Hence,

...

I hope that this was helpful.