4\12 ( simplifica prin 2) = 2\6 ( prin 2) =1\3
36\48 ( prin 2)= 18\24 ( prin 2) = 9\12 ( prin 3)= 3\4
125\625( prin 5)= 25\125 ( prin 5)= 5\25 ( prin 5)= 1\5
70\56 ( prin2)= 35\28 (prin 7) = 5\4
300\900 (prin 2 inmultit cu 5)= 30\90 ( prin 2 in,ultit cu 5) = 3\9 (prin 3) = 1\3
90\135(prin 5)= 18\27 (prinn 3)= 6\9 ( prin 2)=2\3
99\121=?
