Question

1 целая 2/3 - 4/5 ÷ 6/7. Помогите пж. 50 баллов.

Answer 1

Ответ:

$1 \frac{2}{3} - \frac{4}{5} \div \frac{6}{7} = \frac{5}{3} - \frac{4 \times 7}{5 \times 6} = \frac{5}{3} - \frac{28}{30} = \frac{50 - 28}{30 } = \frac{22}{30} = \frac{11}{15}$