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Cat face fracția 2/5 +2/6


Răspuns :

2/5 +2/6=12/30+10/30=22/30=11/15
Aducem la acelasi numitor, 30 in acest caz:

2/5+2/6 = (12 + 10) / 30 = 22/30=
= 11/15 = 0,7(3)