5,(15) = 5 + 15/99 = 170/33
7,(18) = 7 + 18/99 = 79/11
2,(234) = 2 + 234/999 = 248/111
8,(1134) = 8 + 1134/9999 = 9014/1111
1,3(4) = 1,3 + 4/90 = 121/90
2,4(6) = 2,4 + 6/90 = 17/35
1,8(2) = 1,8 + 2/90 = 82/45
1,2(34) = 1,2 + 34/990 = 611/495
-2,15(16) = -(2,15 + 16/9900) = -21301/9900