As vrea si eu sami gasiti perechile de fractii echivalente 9/39 12/9 3/13 21/6 5/4 4/3 77/56 10/8 11/8 7/2 repede va rog

Răspuns :

9/39 echivalent cu 3/13

12/9 echivalent cu 4/3

21/6 echivalent cu 7/2

77/56 echivalent cu 11/8

10/8 echivalent cu 5/4 .

Sper ca te am ajutat!