Esegui la seguente espressione

$$\left(\frac{11}{6}-\frac{5}{4}\right)+\left(\frac{2}{3}+\frac{3}{4}\right)=$$

$$m.c.m.(6;4)=12\quad m.c.m.(3;4)=12$$

$$\left(\frac{22-15}{12}\right)+\left(\frac{8+9}{12}\right)=$$

$$\frac{7}{12}+\frac{17}{12}=$$

$$\frac{7+17}{12}=$$

$$\frac{24}{12}=$$

$$2$$