Jawabanmu

2014-09-12T20:20:25+07:00
18/30=3/5
87/129=29/43
19/12=1 7/12
18/7= 2 4/7

2014-09-12T20:21:23+07:00
A.8/15
B.29/43
C.1 7/12 ( SATU TUJUH PER 12 )
D.2 4/7