Question

8/4+2/4 сколько
..

.

Answer 1

10/4=2,5.............

Answer 2

$\frac{8}{4} + \frac{2}{4} = \frac{8 + 2}{4} = \frac{10}{4} = \frac{5}{2} = 2 \ \frac{1}{2}$

ну или 2.5