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To find equivalent rational expressions with a common denominator, first factor all denominators and determine the least common multiple. You can read more about the CMI framework in the Utah Mathematics Teacher Journal. Unit 11: Rational Expressions and Equations Instructor Notes The Mathematics of Rational Expressions and Equations In this unit, students will learn how to carry out basic mathematical operations on rational expressions—in other words, how to simplify, add, subtract, multiply, and divide fractions that contain polynomials. New Vocabulary radical expression ra tionalizing the denominator conjugate Math Online glencoe. From Holt Algebra 2 Answer Key to decimals, we have every part discussed. Rational Expressions, Equations, and Functions Moving sidewalks. heitfield,jessica (math) rational functions test review packet (answer key) day 2: add and subtract rational expressions (answer key). 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