1. Lesson 5.2 Adding and Subtracting Mixed Numbers 11/30/09

2. Adding and Subtracting Mixed Numbers 1. Find the LCD of the fractions, if necessary. 2. Rename the fractions, if necessary. Then add or subtract the fractions. 3. Add or subtract the whole numbers. 4. Simplify if possible.

3. 32 2 11 + 1 11 13 32 2 11 + 1 11 13 3 11 45

4. 7 8 15 - 1 15 1 7 8 15 - 1 15 1 7 15 6

5. 6 3 5 + 7 10 4 6 3 5 + 7 10 4 6 6 10 = + 7 10 4= 10 13 13 10 =11 3 10

6. 12 1 12 - 3 8 3 12 1 12 - 3 8 3 12 2 24 = - 9 24 3= 11 26 24 = - 9 24 3= 17 24 8