No.
132/240 = 11/20
42/132 = 7/22
9/132 = 3/44
Yes.
4/9
It is: 48/132 = 4/11 simplified
83/132 cannot be simplified as hcf(83, 132) = 1.
132/240 can be simplified to 11/20
18 over 48 simplified is 3 over 8
87/18 = 29/6 when simplified
109/18 cannot be simplified further.