LESSON 4-1 Fraction Operations
Practice and Problem Solving: A/B

Multiply. Use the greatest common factor to write each answer in simplest form.

2
6
3
2
8
7

1. ! 2. ! 3. ! 10

3
7
4
3
21


5
4. 24 ! 5. 6.
6
Add or subtract. Use the least common multiple as the denominator.

4
5
5
3
3
3

7. + 8. − 9. +

15
6
12
20
5
20



5
5
5
3
9
7

10. − 11. 3 + 1 12. 2 − 1

8
24
12
8
10
18


Solve.
1
13. Louis spent 12 hours last week practicing guitar. If of the time
4
was spent practicing chords, how much time did Louis spend
practicing chords?


3
2

14. Angie and her friends ate of a pizza. Her brother Joe ate of what
4
3
was left. How much of the original pizza did Joe eat?

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