Verified answer

[tex]2 \frac{4}{7} \div 3 \frac{1}{9} = \frac{18}{7} \div \frac{28}{9} = \frac{18}{7} \times \frac{9}{28} = [/tex]

[tex] \frac{9}{7} \times \frac{9}{14} = \frac{81}{98} [/tex]

Ответ: [tex]\frac{81}{98}[/tex]

Пошаговое объяснение:

2 4/7 : 3 1/9 = 18/7 : 28/9 = 18/7 * 9/28 = 9/7 * 9/14 = [tex]\frac{9*9}{7*14} = \frac{81}{98}[/tex]