Răspuns:
a) 2/8+3/8=5/8
6/8+3/8=9/8
1/8+3/8=4/8
10/8+3/8=13/8
4/8+3/8=7/8
b) 5/7-1/7=4/7
6/7-1/7=5/7
2/7-1/7=1/7
9/7-1/7=8/7
3/7-1/7=2/7
Sper ca te-am ajutat!
