Răspuns:
[tex] ^{3} \frac{8}{9} + \frac{14}{27} = \frac{24}{27} + \frac{14}{27} = \frac{38}{27} [/tex]
[tex] \frac{8}{9} + \frac{14}{27} [/tex]
amplificăm prima fracție cu 3
[tex] \frac{8 \times 3}{9 \times 3} \times + \frac{14}{27} = \\ \frac{24 + 14}{27} = \frac{38}{27} [/tex]
