Question

Adu la acelas numitor fractiile;
11 supra 20 si 7 supra 60;
5 supra 11 si 3 supra 33

Answer 1

11/20 si 7/60
n.c.=60
33/60;7/60; 

5/11 si 3/33
5/11 si 1/11

Answer 2

11/20 = 33/60
7/60

5/11 
3/33 = 1/11