Question

0,5:1 1/4+1 2/5:4 4/7-3/11

Answer 1

$0.5 div 1 frac{1}{4} + 1 frac{2}{5} div 4 frac{4}{7} - frac{3}{11} = frac{2}{5} + frac{49}{160} - frac{3}{11} = \ frac{763}{1760}$