Write   

12

24

   in lowest terms

Write   

30

42

   in lowest terms

Write   

9

72

   in lowest terms

Write   

20

28

   in lowest terms

Write   

18

42

   in lowest terms

Write   

15

45

   in lowest terms

Write   

6

42

   in lowest terms

Write   

6

16

   in lowest terms

Write   

15

70

   in lowest terms

Write   

68

85

   in lowest terms