What will come in place of the question mark (?) in the following questions ?
$$16\frac{5}{7}\times2\frac{4}{5}+15\frac{3}{10}\times8\frac{2}{9}=?$$
Expression : $$16\frac{5}{7}\times2\frac{4}{5}+15\frac{3}{10}\times8\frac{2}{9}=?$$
= $$(\frac{117}{7} \times \frac{14}{5}) + (\frac{153}{10} \times \frac{74}{9})$$
= $$\frac{234}{5} + \frac{629}{5} = \frac{234 + 629}{5}$$
= $$\frac{863}{5} = 172\frac{3}{5}$$
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