9514 1404 393
Answer:
171/112
Explanation:
It can be helpful to write these as mixed numbers.
45/17 = 2 11/17
90/19 = 4 14/19
63/10 = 6 3/10
171/112 = 1 59/112
85/18 = 4 13/18
Then the ordering would be ...
0 < 1 59/112 < 2 11/17 < 4 13/18 < 4 14/19 < 6 3/10
The number closest to zero is 1 59/112 = 171/112.