Question

$\frac{3 }{15} + \frac{7}{5}$
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Answer 1

¡Hola!

$\dfrac{3}{15}+\dfrac{7}{5}=\dfrac{3+21}{15} \\\\ =\dfrac{\diagup\!\!\!\!\!\!24^8}{\diagup\!\!\!\!\!\!15^5}\\\\ \boxed{=\dfrac{8}{5}} \\\\\\ 15-5|3 \\ 05-5|5 \\ 01-1|3\times5 \\\\ Mcm=15$

Espero que sirva y saludos.