What should come in place of the question mark (?) in the following questions ?
$$1{1 \over 8} + 1{6 \over 7} + 3{3 \over 5}$$ = ?
Expression : $$1{1 \over 8} + 1{6 \over 7} + 3{3 \over 5}$$ = ?
= $$(1 + 1 + 3) + (\frac{1}{8} + \frac{6}{7} + \frac{3}{5})$$
= $$5 + (\frac{35 + 240 + 168}{280})$$
= $$5 + \frac{443}{280} = 5 + \frac{280 + 163}{280}$$
= $$5 + (1 + \frac{163}{280}) = 6{{163} \over {280}}$$
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