introduceti intregii in fractie apoi efectuati impartirile

c) (2x6)+1/6=13/6
(4x3)+1/3=13/3
13/6:13/3=13/6x3/13=1/2
d) (5x7)+1/7=36/7
(3x14)+3/14=45/14
36/7:45/14=36/7x14/45=8/5