Question

there is ratio in between 1/2:1/3 so how could we plus them

Answer 1

$\frac{1}{2} + \frac{1}{3} = \frac{(3 \times 1) + (2 \times 1)}{2 \times 3} = \frac{3 + 2}{6} = \frac{5}{6}$
5/6