Question

(1 supara 2 + 1 supra 3 ) : 5 supra 6

Answer 1

(1/2 + 1/3):5/6=
Amplifici 1/2 cu 3 si 1/3 cu 2 
--> (3/6 + 2/6)·6/5= 5/6·6/5=1

Answer 2

(1/2+1/3):5/6=
=(3/6+2/6):5/6=
=5/6:5/6=
=5/6*6/5=
=30/30=1