NAME ________________________________________ DATE _____________ PERIOD _____

Homework Practice Add and Subtract Unlike Fractions Add or subtract. Write in simplest form. 5 1 +− 1. −

7 1 2. − –−

9 5 3. − -−

5 2 4. − –−

7 1 5. − -−

7 4 6. – − –−

18

6

16

8

15

12

14

6

( 4)

15

( 2)

2 1 8. - − - -− 3

1 9. 1 + −

3 10. 1 - −

8 11. 4 + −

1 12. 5 - −

6

4

9

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21

10

5 3 7. − - -− 6

5

4

3 1 11 14. − +− -−

2 4 1 13. − +− +− 3

15

5

4

3

12

2 1 15. EYE COLOR If − of the girls in class have brown eyes and − of the girls 3 4 have blue eyes, what fraction of the girls in class have neither blue or brown eyes?

1 16. PIE Ubi made a banana cream pie. His brother ate − of the pie and his 3 2 sister ate − of the pie. How much less did his brother eat than his sister? 5

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Course 2 • Rational Numbers