No.
372
Only if it is one third of twelve. Otherwise, it is equal to 0.333 (repeating).
One half
16
Yes, one foot = 12 inches.
Yes. 1/8 is equal to 0.125
12/3 or 4.
One foot is twelve inches
12 is twelve whole digits, so can't equal 1 1/2 (or 1.5)
53/8
(Do you mean twelveth?) It depends on the number. For example, one twelveth of a twenty-fourth is two because if you multiply two by twelve, you would get twenty four.