Question

3 ÷ 7,5 = 2 1/2 ÷ 6 1/4

Answer 1

$3 div 7 frac{1}{2} = frac{5}{2} div frac{25}{4}$
$3 div frac{15}{2} = frac{5}{2} times frac{4}{25}$
$3 times frac{2}{15} = frac{2}{5}$
$frac{2}{5} = frac{2}{5}$
$0.4 = 0.4$