Question Number 203 by 02@>@0 last updated on 25/Jan/15
$$\frac{\mathrm{7}}{\mathrm{20}}+\frac{\mathrm{9}}{\mathrm{20}} \\ $$
Answered by 123456 last updated on 15/Dec/14
$$\frac{\mathrm{16}}{\mathrm{20}}=\frac{\mathrm{8}}{\mathrm{10}}=\frac{\mathrm{4}}{\mathrm{5}} \\ $$