Question

помогите пжжж 19/20-3/4=????
10/13-4/52=??????
15/56-3/14=??????
17/18-7/54=?????
дам все баллы

Answer 1

Ответ:

$1) \frac{19}{20} - \frac{3}{4} = \frac{19 - 15}{20} = \frac{4}{20} = \frac{1}{5} \\ 2) \frac{10}{13} - \frac{4}{52} = \frac{10 - 1}{13} = \frac{9}{13} \\ 3) \frac{15}{56} - \frac{3}{14} = \frac{15 - 12}{56} = \frac{3}{56} \\4) \frac{17}{18} - \frac{7}{54} = \frac{51 - 7}{54} = \frac{22}{27}$