18 over 22
27 over 33
36 over 44
45 over 55
54 over 66
63 over 77
72 over 88
81 over 99
90 over 110
99 over 121
108 over 132
117 over 143 etc, etc. Do you see the pattern. the first numbers are multiples of nine and the second numbers are multiples of 11