Explicație pas cu pas:
[tex]\frac{^{2)} 3}{5} = \frac{6}{10} \\ \frac{^{3)} 3}{5} = \frac{9}{15} \\ \frac{^{4)} 3}{5} = \frac{12}{20} [/tex]
[tex]\frac{^{2)} 7}{6} = \frac{14}{12} \\ \frac{^{3)} 7}{6} = \frac{21}{18} \\ \frac{^{4)} 7}{6} = \frac{28}{24} [/tex]
[tex]\frac{^{2)} 3}{11} = \frac{6}{22} \\ \frac{^{3)} 3}{11} = \frac{9}{33} \\ \frac{^{4)} 3}{11} = \frac{12}{44} [/tex]
[tex]\frac{^{2)} 5}{4} = \frac{10}{8} \\ \frac{^{3)} 5}{4} = \frac{15}{12} \\ \frac{^{4)} 5}{4} = \frac{20}{16} [/tex]
