Вычесть 2) 11/14 - 8/14 6) 19/27 - 10/27

[latex] \frac{11}{14} - \frac{8}{14}=\frac{11-8}{14}=\frac{3}{14} \\ \\ \\ \frac{19}{27} - \frac{10}{27} =\frac{19-10}{27}=\frac{9}{27}=\frac{9:9}{27:9}=\frac{1}{3}[/latex]

2) (11 - 8)/14 =3/14 6) (19-10)/27 = 9/27=1/3