# How do you simplify #(45mn^3) /( 20n^7)#?

##### 1 Answer

#### Answer:

You cancel terms that are common to the numerator and denominator.

#### Explanation:

Your initial expression looks like this

You can simplify this expression by using the *product of powers property* of exponents

to rewrite

Your expression now becomes

Now all you have to do is cancel the terms that are common to the numerator and denominator to get

Alternatively, you can write this as