Выполните вычитание: 6/7-2/3 11/12-5/6 11/16-5/12 8/21-4/35 7/12-3/8 9/14-19/35

[latex] \frac{6}{7} - \frac{2}{3} = \frac{17-14} {21} = \frac{4}{21} [/latex] [latex] \frac{11}{12} - \frac{5}{6} = \frac{11-10}{12} = \frac{1}{12} [/latex] [latex] \frac{11}{16} - \frac{5}{12} = \frac{33-20}{48} = \frac{13}{48} [/latex] [latex] \frac{8}{21} - \frac{4}{35} = \frac{40-12}{105} = \frac{28}{105} = \frac{4}{15} [/latex] [latex] \frac{7}{12} - \frac{3}{8} = \frac{14-9}{24} = \frac{5}{24} [/latex] [latex] \frac{9}{14} - \frac{19}{35} = \frac{45-18}{70} = \frac{27}{70} [/latex]