Explicación paso a paso:
[tex] \frac{39}{6} + \frac{52}{3} - \frac{13}{5} = \frac{5 \times 39 + 52 \times 10 - 6 \times 13}{30} \\ = \frac{195 + 520 - 78}{30} \\ = \frac{637}{30} [/tex]
