Выполните действия: 1 1/8 : 3/4 = 3 3/5 : 2 7/10 = 4 3/7 : 1/7 - 1 5/6 * 3 = помогите плиз!!!

[latex]1 \frac{1}{8} : \frac{3}{4} = \frac{9}{8} * \frac{4}{3} = \frac{3}{2} =1 \frac{1}{2} =1,5[/latex] [latex]3 \frac{3}{5} : 2 \frac{7}{10} = \frac{18}{5} : \frac{27}{10} = \frac{18}{5} * \frac{10}{27} = 2* \frac{2}{3} = \frac{4}{3} = 1 \frac{1}{3} [/latex] [latex]4 \frac{3}{7} : \frac{1}{7} - 1 \frac{5}{6} *3= \frac{31}{7} *7- \frac{11}{6} *3=31- \frac{11}{2} = \frac{62-11}{2} = \frac{51}{2} =25 \frac{1}{2} =25,5[/latex]