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11.4 Adding and Subtracting Rational Expressions

11.4 Adding and Subtracting Rational Expressions. Content Objectives: Students will be able to add and subtract rational expressions by finding the least common denominator LCD and least common multiple LCM.

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11.4 Adding and Subtracting Rational Expressions

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  1. 11.4 Adding and Subtracting Rational Expressions • Content Objectives: Students will be able to add and subtract rational expressions by finding the least common denominator LCD and least common multiple LCM. • Language Objectives: Students will solve rational expressions by adding and subtracting in groups of two using the white boards.

  2. Web addresses/codes • www.PHSchool.com • Tutorial help – bae-0775 • Homework video tutor bae-1104

  3. Vocabulary: numerator: the number on the top part of the fraction denominator: the number on the bottom part of the fraction LCD – least common denominator – smallest number that can be used for all denominators of 2 or more fractions. LCM – least common multiple - The smallest number that is a multiple of two or more numbers.

  4. Adding and Subtracting with like denominators

  5. Add or Subtract

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