1) 2 8\10 = 28\10 2) 16 8\10 = 168\10 3) 28\10 : 168\10 = ( 28 * 10) \ ( 10 * 168) = 28\168 = 14\84 = 7\42 = 1\6
2 8/10: 16 8/10= 28/10: 168/10= 28/10* 10/168= 1/6