**Q.1. Solve:**

$(i)\,\,\,\,2-\frac{3}{5}$

$(ii)\,\,\,\,4+\frac{7}{8}\,$

$(iii)\,\,\,\frac{3}{5}\,+\frac{2}{7}$

$[(iv)\,\,\,\frac{9}{11}\,-\frac{4}{15}\,$

$(v)\,\,\frac{7}{10}+\frac{2}{5}+\frac{3}{2}$

$\,(vi)\,\,\,2\frac{2}{3}+3\frac{1}{2}\,\,$

$(vii)\,\,\,8\frac{1}{2}-3\frac{5}{8}\,\,$