Răspuns:
a) 2/7; 4/7; 6/7; 11/7
b) 4/3; 4/5; 4/7; 4/11
c) 1; 3/6; 7/6
d)
[tex]4 \ \frac{26}{5} = \frac{46}{5} [/tex]
[tex]3 \ \frac{1}{5} = \frac{16}{5} [/tex]
3×1/5; 4×26/5
