4/9
No.
132/240 = 11/20
42/132 = 7/22
Yes.
31/66
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
9/9 simplified is 1
Yes, 3 over 22 (3/22) because 18 and 132 both can be divide by 6.
Yes. 9 over 30 can be simplified to 3 over 10