Question

Сокротите обыкновеные дроби

Answer 1

Решение на фото.

Answer 2

1) $\frac{10 * 3}{23 * 10 } = \frac{30}{230} = \frac{3}{23}$

2) $\frac{10 * 2}{21 * 30} = \frac{20}{630} = \frac{2}{63}$

3) $\frac{4 * 5}{15 * 16} = \frac{20}{240} = \frac{1}{12}$

4) $\frac{8 * 9}{17 * 16} = \frac{72}{432} = \frac{1}{6}$