Add and subtract Rationals with Unlike denominators

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

Find the Least common Multiple of Polynomials C. D.

Add Fractions Example 2 (3) (5)

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

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

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

Example 4 Add

Example 5 Subtract

Add and Subtract Example 6

Add and Subtract Example 7

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

Example 9 Subtract

Example 10 Subtract