2. Lesson Menu Main Idea and New Vocabulary Key Concept:Add and Subtract Like Fractions Example 1:Add Like Fractions Example 2:Add Like Fractions Example 3:Subtract Like Fractions Example 4:Subtract Like Fractions Example 5:Subtract Like Fractions Example 6:Real-World Example

3. Main Idea/Vocabulary Add and subtract fractions with like denominators. like fractions

4. Key Concept

5. Example 1 Add Like Fractions Find Write in simplest form. Add the numerators. Simplify. Answer: __ 11 12

6. Example 1 CYP FindWrite in simplest form. A. B. C. D.

7. Example 2 Add Like Fractions Find Write in simplest form. Add the numerators. Use the rules for adding integers. Answer: – __ 5 6

8. Example 2 CYP Find Write in simplest form. A. B. C. D.

9. Example 3 Subtract Like Fractions Find Write in simplest form. Subtract the numerators. Simplify. Answer: __ 2 3

10. Example 3 CYP Find Write in simplest form. A. B. C. D.

11. Example 4 Subtract Like Fractions Find Write in simplest form. Answer: – __ 9 10 Subtract the numerators. Simplify.

12. Example 4 CYP Find Write in simplest form. A. B. C. D.

13. Example 5 Subtract Like Fractions Find. Write in simplest form. Answer: – __ 1 2 Subtract the numerators. Simplify.

14. Example 5 CYP Find –. Write in simplest form. A. B. C. D.

15. Example 6 ART A picture mounted on art board is inch thick. The frame for the picture is inch thick. How much thicker than the picture is the frame? Subtract the numerators. Answer: The picture is inch thicker than the frame. Simplify. =

16. Example 6 CYP WINDOWS A pane of window glass is inch thick. A second pane of glass is inch thick. How much thicker is the second pane of glass? A. in. C.in. B. in.D.in.