3 2/5:x=6 4/5:1 1/3

3 2/5:х=6 4/5:1 1/3 17/5:х=34/5:4/3 17/5*4/3=34х/5 17*4/(5*3)=34х/5 34х=(17*4*5)/(5*3) сократим на 5 34х=(17*4)/3 х=(17*4)/(3*34) сократим на 17 х=4/(3*2) х=4/6 х=2/3.