What should come in place of question mark ‘?’ in the following question?

\(\left( {\frac{{90}}{{36}} \times 4\frac{9}{5}} \right) + \left( {2\frac{1}{7} \times 3\frac{2}{4}} \right) = \frac{{47}}{4} + 5\frac{3}{4} + ?\)