Question

Efectuati (+2pe6)+(-5pe6)

Answer 1

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

Answer 2

+2/6+(-5/6)=

2/6-5/6=-3/6=-1/2