5/7:(10/21)=(5/7)*(21/10)=3/2=1 целая и 1/2
14:(14/5)=5
(4/5):9=4/(5*9)=4/45
32/5:16=32/(5*16)=2/5
4/5:16/15=(4*15)/(5*16)=3/4
63/2:63/31=31/2=15 целых и 1/2
5/7:(10/21)=(5/7)*(21/10)=3/2=1 целая и 1/2
14:(14/5)=5
(4/5):9=4/(5*9)=4/45
32/5:16=32/(5*16)=2/5
4/5:16/15=(4*15)/(5*16)=3/4
63/2:63/31=31/2=15 целых и 1/2