1. Add / Subtract Rational Numbers: Unlike Fractions

2. 51 2 +- 6 169 12 -= x2 x6 7 12 EX 1) 3 4 = x3 1.Find common denominator 106 12 +- 9 = 2.Rewrite problem with common denominator 3.Use PEMDAS and integer rules to solve problem 4.Simplify if necessary

3. 711 36 - = X 3 x1 2111 36 = 10 36 X 3 -3-11 12 += 4 x3 x1 x3 -9-11 12 += -20 12 -5 3 = 2 3 = EX 2) EX 3) 12 - = 5 18 -- 2111 36 = - +

4. EX 4) 31 8 - X 2 x1 7 8 X 2 4 -- () - 61 8 - 7 8 8 -- () - 7 8 7 8 -- () - 7 8 7 8 +- = 0 x1 +

5. Essential Question What step must be preformed before adding unlike fractions ?

6. Add / Subtract Rational Numbers: Unlike Fractions Date __________________

7. EX 1) 1.Find common denominator 2.Rewrite problem with common denominator 3.Use PEMDAS and integer rules to solve problem 4.Simplify if necessary

8. EX 2) EX 3)

9. EX 4)

10. Essential Question What step must be preformed before adding unlike fractions ?