Yes, it is reduced from 195/45 to 39/9
17/45.
No it cannot be further reduced.
30 over 42 can be reduced to 5/7
No.
Yes, 27 over 30 can be reduced to 9 over 10.
10/45 = 2/9
45/96 = 15/32
Yes.
Yes.
it can be reduced to 4 over 3
30/45 = 2/3 in its reduced terms