-2 3/7:х=1 13/14:6/17
-2 целых 3/7 : x = 1 целая 13/14 :6/17 x=2 целых 3/7*6/17:1 целая 13/14 x=17/7*6/17:27/14 x=17/7*6/17*14/27 x=17*6*14/(7*17*27) x=1*2*2/(1*1*9) x=4/9