1. Warm up

2. Add and Subtract Rational Expressions
EQ: What are the steps for adding or subtracting rational expressions with different denominators?
Assessment: Students will write a summary on how to apply operations of rational numbers.

3. KEY CONCEPT

4. Example One

5. STEPS to Find LCM
STEP 1
Factor each polynomial. Write numerical factors as products of primes.
STEP 2
Form the LCM by writing each factor to the highest power it occurs in either polynomial.

6. Example Two

7. Example Three

8. Example Four

9. KEY CONCEPT

10. STEPS to Add and Subtract unlike denominators
Factor the denominators if possible
Find the LCD
Multiply by the LCD
Add or Subtract numerators
Simplify

11. Example Five

12. Example Six

14. Warm up 15 4𝑥 + 5 4𝑥 3𝑥 𝑎𝑛𝑑 3 𝑥−2 Perform the indicated operation.
Find the LCM of the Polynomials
3𝑥 𝑎𝑛𝑑 3 𝑥−2

15. Example Seven

16. Example Eight
Subtract :

17. Example Nine

18. Example Ten

19. Write your Summary to the Essential Question:
Homework Pg (3)
Write your Summary to the Essential Question:
What are the steps for adding or subtracting rational expressions with different denominators?