[tex]\dfrac{\overline{ab}}{\overline{cd}} = \dfrac{7}{15} \\ \\ \\ \dfrac{\overline{ab}}{\overline{cd}}= \dfrac{14}{30} = \dfrac{21}{45} = \dfrac{28}{60} = \dfrac{35}{75} = \dfrac{42}{90}\\ \\ \\\Rightarrow \text{Fractiile sunt: } \dfrac{14}{30}, \dfrac{21}{45} , \dfrac{28}{60},\dfrac{42}{90}[/tex]
