Zgjidhja e ushtrimit 1

Kryeni vepriimet:

1. $\frac {1}{2}$ + $\frac {2}{3}$
2. $\frac {3}{8}$ + $\frac {4}{7}$
3. 2$\frac {3}{5}$ + 1$\frac {2}{7}$
4. $\frac {6}{7}$ - $\frac {2}{3}$
5. 6$\frac {1}{2}$ - 2$\frac {5}{8}$