H7-8 Fractions in Simplest Form (p. 231)

Name _____________________________________________________________________________________________________
Fractions in Simplest Form
H 7-8
Write each fraction in simplest form. Write yes if the fraction is already in simplest form.
3
9
3. 9
10
4. 16
18
7. 4
12
8. 6
30
12. 96
100
5
10
2. 11
15
6. 1. 5. 26
36
10. 13. 32
40
16
17. 100
9. 6
10
18
1
7
11. 14. 3
100
15. 16. 5
18. 39
8
19. 70
3
20. 13
13
21. 21
3
12
14
20
60
100
15
11
22. 52
23. 44
24. 85
Circle the fractions that are in simplest form.
25. a. 12
15
b. 4
10
c. 5
6
d. 9
15
e. 26. a. 5
12
b. 9
18
c. 3
6
d. 7
14
e. 27. a. 6
16
b. 11
12
c. 12
15
d. 10
14
e. 14
28
b. 6
21
c. 5
40
d. 13
39
e. 28. a. 10
20
8
12
15
25
7
18
9
29. Math Reasoning Sal noticed that both the numerator and denominator of 27
3
are odd numbers, so he divided by 3 to get 9. Explain why the fraction is not
yet in simplest form. What can Sal do now to find the simplest form?
Test Prep Circle the correct letter for each answer.
30. Which of the following is in simplest form?
11
A 3
3
3
B 1
1
9
C 111
13
D 3
9
9
H 111
9
J 1
4
31. Which of the following is in simplest form?
13
F 18
2
© Scott Foresman, Gr. 5
18
G 2
4
(231)
Use with Chapter 7, Lesson 8.