[tex] \frac{4}{7} = \frac{4}{7} [/tex]
[tex] \frac{8}{12} = \frac{8}{12} [/tex] ÷ [tex] \frac{4}{4} = \frac{8/4}{12/4} = \frac{2}{3} [/tex]
[tex] \frac{6}{9} = \frac{6}{9} [/tex] ÷ [tex] \frac{3}{3} = \frac{6/3}{9/3} = \frac{2}{3} [/tex]
The answer is 8/12 and 6/9