(6/5)(2/9)
15/8 / 3/4
3/7 + 4/5
5/3 - 1/3
19/3
(5/2)(9/3)
3/10
3/4
1
60/24
(9/5) / (4/9)
9/4-6/4
12/45
12/3 + 7/3
(3/5)(1/2)
45/6
81/20
43/35
2/7 + 15/21
4/3
