Yes, both are divisible by 3, = 39/18, both are also divisible by 9, = 13/6
It is: 30/117 = 10/39 simplified
54/63 = 6/7 simplified
No
65%.
Yes.
It is: 117/26 = 9/2 in its lowest terms
4914/54 = 4914 ÷ 54 = 91
45/117 = 5/13 simplified
42/54 = 7/9
87/54 = 29/18
315/54= 105/16
33/54 = 11/18