There isn't one.
No. A common multiple is a multiple of both numbers. There is no multiple of 17 that is less than 17.
12
No.
63
60
12
96 is.
60
Find a multiple of 110 that is less than (or equal to) the decimal.Find the difference between this multiple and the decimal.Repeat for the next multiple of 110 (which will be 110 more than the previous multiple).Select the multiple of 110 which gives the smaller answer.
36
None. You can't have an LCM less than a GCF.
None. The greatest common multiple of any set of integers is infinite.