What will come in place of the question mark (?) in the following questions?
$$2\frac{4}{6}+3\frac{6}{7}+4\frac{5}{7}+3\frac{2}{3}=?$$
Expression : $$2\frac{4}{6}+3\frac{6}{7}+4\frac{5}{7}+3\frac{2}{3}=?$$
= $$(2 + 3 + 4 + 3) + (\frac{4}{6} + \frac{6}{7} + \frac{5}{7} + \frac{2}{3})$$
= $$12 + \frac{4}{3} + \frac{11}{7}$$
= $$12 + \frac{61}{21} = 12 + 2\frac{19}{21}$$
= $$14\frac{19}{21}$$
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