Question

7 2/3+(6-2 4/7):2 2/5-4,5 =

Answer 1

$frac{7 frac{2}{3} + 4 frac{6}{7} }{2 frac{2}{5} - 4 frac{1}{2} } = frac{ frac{14}{3} + frac{24}{7} }{ frac{4}{5} - 2} = frac{ frac{170}{21} }{ - frac{6}{5} } = - frac{ frac{170}{21} }{ frac{6}{5} } = - 6 frac{47}{63}$