Question

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

Answer 1

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