Как вычеслить (3/4+1/6):3+(5/6-1/2):9

1) [latex] \frac{3}{4} + \frac{1}{6} = \frac{9+2}{12} = \frac{11}{12} [/latex] 2) [latex] \frac{11}{12} / \frac{3}{1} = \frac{11}{4} =2 \frac{3}{4} [/latex] 3) [latex] \frac{5}{6} + \frac{1}{2} = \frac{5+3}{6} = \frac{8}{6} = \frac{4}{3} [/latex] 4) [latex] \frac{4}{3} / \frac{9}{1} = \frac{3}{4} [/latex] 5) [latex] \frac{3}{4} + \frac{3}{4} = \frac{6}{4} = \frac{3}{2}=1.5[/latex]