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Int Algebra: Add-Subtract Rational Expressions for a bundle of videos on Working with Rationals. For an even broader bundle of videos that cover Working with Rationals and Algebra Basics & Prerequisites, check out . To search for topic-specific help in our library of 1000+ video products for Algebra, please refer to our Algebra category at: . To check out our full College Algebra video course, with 250+ videos included, refer to: . Or, for access to this single video, go to: In math, a rational expression or rational function is any function which can be written as the ratio of two polynomials. These are inevitably expressed as fractions. In this lesson, you will learn how to add and subtract rational functions. As with any fractions, to do this, you'll need to find a common denominator. In walking you through examples of this type of addition and subtraction, Professor Burger will highlight things to watch out for and shortcuts that can help you along the way. Taught by Professor Edward Burger, this lesson was selected from a broader, comprehensive Algebra course.
Length: 03:34


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