Adding, Subtracting, Multiplying, & Dividing Rational Expressions

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Adding, Subtracting, Multiplying, & Dividing Rational Expressions Objective: Add, subtract, multiply, divide, and simplify rational expressions.

Example #1 Multiplying & Dividing Rational Expressions Multiplying: Factor first, multiply straight across, cancel common factors. A.)

Example #1 Multiplying & Dividing Rational Expressions Dividing: Factor first, multiply by the reciprocal of the second fraction, and cancel common factors. B.)

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.)

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.)

Example #2 continued… Adding & Subtracting Rational Expressions

Example #2 continued… Adding & Subtracting Rational Expressions

Example #3 Simplifying Complex Fractions To simplify complex fractions, rewrite them as regular division problems. A.)

Example #3 Simplifying Complex Fractions To simplify complex fractions, rewrite them as regular division problems. B.)