Find (x + y) ÷ (x − y), if

Find (x + y) ÷ (x − y), if

(i) $x=\frac{2}{3}, y=\frac{3}{2}$

(ii) $x=\frac{2}{5}, y=\frac{1}{2}$

(iii) $x=\frac{5}{4}, y=\frac{-1}{3}$

(iv) $x=\frac{2}{7}, y=\frac{4}{3}$

(v) $x=\frac{1}{4}, y=\frac{3}{2}$