Question

9/2 : 27/4 - (17/21 . 49/34 - 5/6 ) =
 com respostas e contas 

Answer 1

9/2.4/27-(833/714-5/6)=
36/54-(833-595/714)=
36/54-238/714=4284-2142/6426= 2142/6426= 1071
/3213= 357/1071= 119/357

MMC(714,6)=714
714,6|2
357,3|3
119,1|7
17,1|17
1

MMC(54,714)=6426
54,714|2
27,357|3
9,119|3
3,119|3
1,119|7
1,17|17
1,1