Найдите частное 11/15 : 3/8, 6/35 : 18/25, 12/55 : 48/77, 21/40 : 3/4, 27/50 : 9/25, 63/64 : 45/56, 5/8 : 5/32, 14/55 : 1/5 !

11/15:3/8=11/15*8/3=88/45=1 43/45
6/35:18/25=6/35*25/18=5/21
12/55:48/77=12/55*77/48=7/20
21/40:3/4=21/40*4/3=7/10
27/50*25/9=3/2 1 1/2
63/64*56/45=49/40=1 9/40
5/8*32/5=4
14/55*5=14/11=1 3/11