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Dividing Monomials
How Do We Divide When Exponents are Involved?


As you've seen in the prior lessons, when we work with monomials, we see a lot of exponents. You've discovered the laws of exponents and the properties for multiplying exponents, but what happens when we divide? That is the question we are going to answer in this lesson.

Let's start by taking a look at a few problems in "expanded form". Once you examine these examples, you'll discover the rule on your own.


Expanded Form Examples


expanded form for dividing monomials

Take a look at the exponents in the original problem and then analyze the exponents in the answer for each example. Can you figure out the rule for exponents when you are dividing?



When you divide powers that have the same base, you subtract the exponents.





That's a pretty easy rule to remember! It's the opposite of the multiplication rule. When you multiply powers that have the same base, you add the exponents and when you divide powers that have the same base, you subtract the exponents.

Let's look at a couple of examples.






Example 1


dividing monomials example




Example 2


example of dividing monomials


That's a pretty easy rule to remember! Let's take a look at one more property. This property is called, Power of a Quotient Property.

So, what is a quotient?

Quotient

A Quotient is an answer to a division problem.




Let's take a look at what happens when you raise a fraction (or a division problem) to a power. Remember: A division bar and fraction bar are synonomous!



Power of a Quotient Property

To find the power of a quotient, raise the numerator to the power, and the denominator to the power. Then divide.



Let's take a look at a few examples.


Power of a Quotient Example 1


power of a quotient property





Power of a Quotient Example 2


power of a quotient




Having Trouble With Your Homework?

Enter your monomial or polynomial into the solver below and click "simplify" to see the correct answer.





You Might Also Like These Exponent Lessons:


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