7/3-20/12=7/3-5/3=2/3
unde am simplificat cu 4 fractia 20/12
Raspuns: 2/3
[tex]\it \dfrac{7}{3}- \dfrac{\ 20^{(4}}{12}= \dfrac{7}{3}- \dfrac{5}{3}= \dfrac{7-5}{3}= \dfrac{2}{3}[/tex]
