1. Add and subtract Rationals with Unlike denominators

2. Find the Least Common Multiple of Polynomials
Example 1
Find the least common multiple for each pair.
A. 4x2y3 and 6x4y5
B. x2 – 2x – 3 and x2 – x – 6

3. Find the Least common Multiple of Polynomials
C D.

4. Add Fractions
Example 2
(3)
(5)

5. Add and Subtract
Example 3
(2n)
(3m) 3

6. Example 3a
Add and Subtract
(3)
(2)

7. Add and Subtract
Example 3b
(3)
(x) 6

8. Example 4
Add

9. Example 5
Subtract

10. Add and Subtract
Example 6

11. Add and Subtract
Example 7

12. Add and Subtract
Example 8 x
x + 2 + –8
x2 – 4

13. Example 9
Subtract

14. Example 10
Subtract