Fractions practice test

Couldn't confirm presence of Flash 8 or higher because JavaScript was disabled.Get FlashI really do have Flash installed.ul{margin-top:0px;margin-bottom:0px;list-style-type:none;padding-left:20px;}1. Which of the following numbers is composite?

[ ] 3

[ ] 4

[ ] 2

[ ] 5

2. Which of the following numbers is prime?

[ ] 57

[ ] 59

[ ] 58

[ ] 56

3. Which is the prime factorization of 45?

[ ] 3 x 15

[ ] 5 x 9

[ ] 3(2) x 5

[ ] 3 (3) x 5

4. What is the greatest common factor (GCF) of 24 and 30?

[ ] 2

[ ] 6

[ ] 12

[ ] 3

5. What is the least common multiple (LCM) of 9 and 10

[ ] 10

[ ] 900

[ ] 90

[ ] 9

6. What is the least common multiple of 18 and 27?

[ ] 36

[ ] 9

[ ] 54

[ ] 45

7. Which least common multiple would you use for the question 3/8 + 5/12

[ ] 24

[ ] 96

[ ] 36

[ ] 12

8. 7/12 + 11/12

[ ] 3/4

[ ] 1 1/4

[ ] 1 1/2

[ ] 1 2/3

9. 9/10 + 3/4

[ ] 6/7

[ ] 1 26/40

[ ] 3/10

[ ] 1 1/20

10. 3 4/5 - 2 1/2

[ ] 5 1/2

[ ] 6 3/10

[ ] 5 5/7

[ ] 5 3/10

11. 8 - 3 3/8

[ ] 4 5/8

[ ] 4 3/8

[ ] 5 5/8

[ ] 5 3/8

12. 4 1/5 - 3 3/4

[ ] 8

[ ] 11/20

[ ] 9/20

[ ] 1 9/20

13. Amanda has 1 3/4 cups of flour left in her bin. Her recipe calls for 5 1/2 cups of flour. How much more flour does she need?

[ ] 4 3/4

[ ] 4 1/4

[ ] 3 3/4

[ ] 3 1/4