This video by Fort Bend Tutoring shows the process of subtracting rational expressions. This concept, adding and subtracting rational expressions, is used in algebra, precalculus, finite mathematics, trigonometry and calculus classes. Instruction for how to subtract rational expressions by Larry "Mr. Whitt" Whittington. Intro/Outro by Chuck Knipp's Shirley Q. Liquor. Fort Bend Tutoring Rational Expressions (Subtraction of Rational Expressions)
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Simplifying Rational Expressions
http://youtu.be/zBjjL-17ItU
Finding the Least Common Denominator (LCD or LCM)
http://youtu.be/moLdgkGjrWI
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