Question

найдите значение выражения 4/5 : 2/7

Answer 1

$frac{4}{5}$:$frac{2}{7} = frac{4}{5}* frac{7}{2} = frac{4*7}{5*2} = frac{28}{10} =2 frac{8}{10} = 2frac{4}{5}$