Respuesta :

Hey there!

[tex]15 \dfrac{9}{13} + 17 \dfrac{20}{39} \\ = \dfrac{204}{13} + \dfrac{683}{39} \\ = \dfrac{612}{39} + \dfrac{683}{39} \\ = \dfrac{1295}{39} \\ = 33 \frac{8}{39} [/tex]

Hope this helps. - M