Rút gọn các phân số: 8/16; 12/36; 20/35; 60/15

\(\frac{8}{6} = \frac{{8:2}}{{6:2}} = \frac{4}{3};\;\,\frac{{12}}{{36}} = \frac{{12:12}}{{36:12}} = \frac{1}{3};\;\,\frac{{20}}{{35}} = \frac{{20:5}}{{35:5}} = \frac{4}{7};\;\,\frac{{60}}{{15}} = \frac{{60:15}}{{15:15}} = 4.\)