No. The question contains three numbers separated by spaces. There is nothing that can be simplified.
The fraction -8/7 cannot be simplified.
7/12 cannot be simplified as 7 is a prime number
24:16:14 simplifies to 12:8:7
14/24 = 7/12
It is already simplified.
0.875 as a simplified fraction is 7/8
12/8 = 3/2
No.
7/12
No
8/12 simplified is 2/3