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Published byMary Katherine Baldwin Modified over 8 years ago

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**Adding, Subtracting, Multiplying, & Dividing Rational Expressions**

Objective: Add, subtract, multiply, divide, and simplify rational expressions.

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**Example #1 Multiplying & Dividing Rational Expressions**

Multiplying: Factor first, multiply straight across, cancel common factors. A.)

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**Example #1 Multiplying & Dividing Rational Expressions**

Dividing: Factor first, multiply by the reciprocal of the second fraction, and cancel common factors. B.)

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**Example #2 Adding & Subtracting Rational Expressions**

To add or subtract rational expressions, they must have the same denominator. If not, factor to compare denominators and find the least common denominator. A.)

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**Example #2 Adding & Subtracting Rational Expressions**

To add or subtract rational expressions, they must have the same denominator. If not, factor to compare denominators and find the least common denominator. B.)

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**Example #2 continued… Adding & Subtracting Rational Expressions**

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**Example #2 continued… Adding & Subtracting Rational Expressions**

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**Example #3 Simplifying Complex Fractions**

To simplify complex fractions, rewrite them as regular division problems. A.)

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**Example #3 Simplifying Complex Fractions**

To simplify complex fractions, rewrite them as regular division problems. B.)

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