[tex]a - \frac{2}{3} = \frac{1}{ 3} \\ a = \frac{1}{3} + \frac{2}{3} = \frac{3}{3} \\ proba \: \frac{3}{3} - \frac{2}{3} = \frac{1}{3} [/tex]
[tex]b - \frac{1}{5} = \frac{3}{5} \\ b = \frac{1}{5} + \frac{3}{5} = \frac{4}{5} \\ proba \: \frac{4}{5} - \frac{1}{5} = \frac{3}{5} [/tex]
[tex]c - \frac{2}{8} = \frac{4}{8} \\ c = \frac{2}{8} + \frac{4}{8} = \frac{6}{8} \\ proba \: \frac{6}{8} - \frac{2}{8} = \frac{4}{8} [/tex]
[tex]d - \frac{4}{7} = \frac{3}{7} \\ d = \frac{4}{7} + \frac{3}{7} = \frac{7}{7} \\ proba \: \frac{7}{7} - \frac{4}{7} = \frac{3}{7} [/tex]
[tex]e + \frac{1}{5} = \frac{4}{5} \\ e = \frac{4}{5} - \frac{1}{5} = \frac{3}{5} \\ proba \: \frac{3}{5} + \frac{1}{5} = \frac{4}{5} [/tex]
[tex]f + \frac{3}{6} = \frac{9}{6} \\ f = \frac{9}{6} - \frac{3}{6} = \frac{6}{6} \\ proba \: \frac{6}{6} + \frac{3}{6} = \frac{9}{6} [/tex]
