Question

[Quoc Tran Anh Le]

Rút gọn các phân số sau:

\(\frac{{12}}{{ - 24}}\); \(\frac{{ - 39}}{{75}}\); \(\frac{{132}}{{ - 264}}\).

Answer 1

[Hà Quang Minh]

 Ta có: \(\frac{{12}}{{ - 24}} = \frac{{12:12}}{{ - 24:12}} = \frac{1}{{ - 2}}\)

\(\frac{{ - 39}}{{75}} = \frac{{ - 39:3}}{{75:3}} = \frac{{ - 13}}{{25}}\)

\(\frac{{132}}{{ - 264}} = \frac{{132:132}}{{ - 264:132}} = \frac{1}{{ - 2}}\).