2/6; 3/9; 4/12; 5/25; 6/48; 10/90
2/6= 1/3 3/9=1/3 4/12=1/3 5/25=1/5=0,2 6/48=1/8=0,125 10/90=1/9
2/6=1/3 3/9=1/3 4/12=1/3 5/25=1/5 6/48=1/8 10/90=1/9