2. Addition and Subtraction: Unlike Denominators  Mr. Peter Richard Is the Common Denominator needed in order to learn this Lesson!

3. Adding and Subtracting Rational Expressions with Different Denominators In a Nut Shell 1. Change Subtraction to Add the Opposite 2. Factor the Denominator, (Bottom) if possible 3. Find a Common Denominator (LCD) 4. Multiply the Tops and Bottoms by missing factors 5. Add the Numerator (Top) 6. Factor the Numerator (Top) if possible 7. Simplify if possible

4. Fraction Rule (Addition and Subtraction) 3. 4.

5. 3.10 Add/Subtract Rational Expressions Checkpoint. Find the sum or difference.

6. 3.10 Add/Subtract Rational Expressions Checkpoint. Find the sum or difference.

7. #5 Add or subtract. Simplify

8. #6 Add or subtract. Simplify

9. #7 Add or subtract. Simplify

10. #8 Add or subtract. Simplify

11. Try These! Simplify.      

12. Quiz and Homework! Please Be Rational! Quiz: Page 517 # 10, 14, 18, 20, 34 Homework: # 11, 17, 19, 21, 31