1. 9.2 Adding and Subtracting Rational Expressions Least Common Denominator of a polynomial of a polynomial

2. Adding fractions What do you need to add or subtract fractions? A common denominator Of 5 and 3, it is 5 times 3 = 15 (Since both are prime numbers) We multiply. Since both numbers divide into 15, it is the Least Common Multiply

3. What is the L.C.M. Given the terms To find the LCM of the numbers, find there factor multiplication.

4. What is the L.C.M. The LCM is the highest number of each factor listed from each number.

5. What is the L.C.M. The LCM is the highest number of each variable listed from each term.

6. Find the LCM of two polynomial Factor out the polynomial

7. Find the LCM of two polynomial Factor out the polynomial

8. Find the LCM of two polynomial Factor out the polynomial

9. Add the Rational Expressions Simplify What is the LCM of 6 and 14

10. Add the Rational Expressions Simplify Common denominator 42a 2 b 2 What does 6b times = 42a 2 b 2 What does 14a 2 b 2 times= 42a 2 b 2

11. Add the Rational Expressions Simplify Common denominator 42a 2 b 2 What does 6b times = 42a 2 b 2 What does 14a 2 b 2 times= 42a 2 b 2

12. Add the Rational Expressions Simplify

13. Add the Rational Expressions Simplify

14. Add the Rational Expressions Simplify

15. Add the Rational Expressions Simplify

16. What are the differences between Adding and Multiplying fractions Simplify

17. What are the differences between Adding and Multiplying fractions Simplify

18. What are the differences between Adding and Multiplying fractions Simplify

19. What are the differences between Adding and Multiplying fractions Simplify

20. What are the differences between Adding and Multiplying fractions Simplify

21. What are the differences between Adding and Multiplying fractions Simplify

22. The complex fraction Simplify

23. The complex fraction Simplify

24. The complex fraction Simplify

25. The complex fraction Simplify

26. The complex fraction Simplify

27. The complex fraction Simplify

28. Homework Page 482 – 483 # 15, 19, 25, 29, 33, 37, 41 33, 37, 41

29. Homework Page 482 – 483 # 16, 20, 24, 26, 28, 30, 34, 36