# How do you simplify #(5sqrt15) /( 3sqrt27) #?

##### 1 Answer

#### Answer:

Same thing. Just a very slightly different presentation!

#### Explanation:

The answer given was stopped at

It is considered better mathematical practice if you 'get rid' of any roots that are in the denominator (bottom number)

The method is based on: Multiply any number by 1 and you do not change its inherent value

So

Suppose we wrote 1 as

This is still 1

Multiply by 1 but in the form of

But

But