Multiplying and Dividing Rational Expressions

In this lesson I will teach you how to multiply and divide rational expressions.  This lesson should be easy if you have mastered fractions however most students think they know fractions better than they actually do.  Please feel no shame in going back and reviewing how to work with fractions.  Fractions are  also called “rational numbers” and we will be using the same steps to add, subtract, multiply and divide rational expressions as fraction operations.  The other skills you really need for this lesson are polynomial multiplication and factoring.  So if you have a great understanding of fractions and polynomials you should have no problem with this topic.  I can’t stress how important it is to practice as many different type of problems as possible- simplifying rational expressions is a critical core algebra skill that you need to master.

TabletClass Math Multiplying Dividing Rational Expressions Lesson from John Zimmerman on Vimeo.

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