Răspuns:
2. a. 1/4 + 2/4 = 3/4
b. 3/8 + 2/8 = 5/8
c. 2/5 + 1/5 = 3/5
3. a. 6/8 = 2/8 + 4/8
b. 5/6 = 3/6 + 2/6
c. 8/10 = 4/10 + 4/10
Sper ca te-am ajutat!!