1. Warm Up Simplify:

2. Adding and Subtracting with Unlike Denominators

3. Common Denominator A Common Denominator is also the LEAST COMMON MULTIPLE. LCM is the smallest numbers that each factor can be divided into evenly.

4. LCM Find the LCM of each pair of numbers 1. 4, 5 1. 3, 8 2. 4, 12

5. Review of Adding and Subtracting Fractions With Unlike Denominators Add or subtract the following. 1. 2.

6. Finding LCM For Variables LCM: Take the Largest Exponent! Find the LCM: x 4 and x x 3 and x 2 3x 5 and 9x 8

7. Adding and Subtracting Fractions With Unlike Denominators Add or subtract the following. 1. 2.

8. Finding LCM of Expressions For Expressions LCM: Include ALL factors!!

9. Add or Subtract the Following 1.

10. Add or Subtract the Following 1.

11. Add or Subtract the Following 1.

12. Add or Subtract the Following 1.

13. Complex Fractions A complex fraction is a faction that has a fraction in its numerator or denominator.

14. Simplifying To Simplify Multiply the top and the bottom by the COMMON DENOMINATOR

15. Try Some! Simplify