Question

Скорости дріб 14/35 и 21/39​

Answer 1

$\frac{14}{35} = \frac{14 \div 7}{35 \div 7} = \frac{2}{5} \\ \frac{21}{39} = \frac{21 \div 3}{39 \div 3} = \frac{7}{13}$