'Factor denominators' diaporamas de présentation

Rational Expressions

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Rational Expressions Finding LCD

Rational Expressions Finding LCD. Algebra. Review: Adding Fractions. You can only add like to like Same Denominators. Different Denominators. Make them the same find a common denominator The product of all denominators is always a common denominator

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Review Problems

Review Problems. 1) 2) 3) . Add/Subtract Rational Expressions. Objective-to recall procedures used to add and subtract fractions, and apply to rational expressions. Review: Adding Fractions. You can only add like to like Same Denominators. Different Denominators.

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9.5 Adding and Subtracting Rational Expressions

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EXAMPLE 2

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EXAMPLE 2

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Procedure: To add or subtract fractions with like denominators.

Procedure: To add or subtract fractions with like denominators. Your Turn Problem #1. 1. Write a single fraction using the like denominator as the denominator. 2. For the numerator of the single fraction, write each of the numerators with the operation symbol between them.

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EXAMPLE 3

56 x 7 y 4. 7 x 4 y 3. 8 x 3 y. 8 xy 3. =. 4 y. 2 x y 2. 8 7 x x 6 y 3 y. =. 7 x 6 y. =. 8 x y 3. ANSWER. The correct answer is B. EXAMPLE 3. Standardized Test Practice. SOLUTION. Multiply numerators and denominators. Factor and divide out common factors.

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