Text of Adding and Subtracting Rational Expressions Advanced Math Topics Mrs. Mongold

Adding and Subtracting Rational ExpressionsAdvanced Math Topics

Mrs. Mongold

Adding and Subtracting Rational ExpressionsFinding Least Common Multiples and Least Common Denominators!Use prime factorization

Example: Find the LCM of 6 and 46 = 234 = 22LCM= 223 = 12

Find the LCM1. a2 6a + 9 and a2 + a -12

Find the LCM2. 18r2s5, 24r3st2, and 15s3t

Find the LCM 3. 12a2b4, 27ac3, and 18a5b2c

Find the LCM4. 15a2bc3, 16b5c2, 20a3c6

Find the LCM5. p3 + 5p2 + 6p and p2 + 6p + 9

Find the LCM6. q2 4q + 4 and q3 3q2 + 2q

Find the LCM7. 2k3 5k2 12l and k3 8k2 +16k

Find the LCM8. x3-x2 2x and x2 4x + 4

Find the LCM9. 6m3n5, 42mnp2, 36m3n4p

Add and Subtract Rational ExpressionsSame as fractionsTo add two fractions we find the LCD, the same things is going to happen with rational expressions