12/18=2/3; 24/64=3/8; 14/35=2/5=0,4; 32/48=4/6=2/3; 54/63=8/9; 8/34=4/17; 36/54=6/9=2/3; 9/48=3/16; 54/60=9/10; 48/54=8/9; 36/63=12/21; 18/78=3/13; 18/90=2/10=1/5=0,2; 77/98=11/14; 18/63=2/7; 50/65=10/13; 54/60=9/10; 42/84=7/14=1/2=0,5; 35/84=5/14; 10/95=2/19; 45/80=9/16; 78/90=13/15; 45/70=9/14; 25/80=5/16; 70/75=14/15; 72/144=1/2=0,5; 120/190=12/19; 160/180=8/9; 6/114=1/19; 88/144=22/36=11/18; 45/144=5/16; 64/112=8/14=4/7; 32/128=4/16=1/4=0,25; 96/112=12/14=6/7; 105/140=21/28=3/4=0,75.