Respuesta :
84 = [tex] \frac{84}{1} [/tex]
entonces...:
[tex] \frac{84}{1} - \frac{2}{5} = \frac{420 + 2}{5} = \frac{422}{5} [/tex]
entonces...:
[tex] \frac{84}{1} - \frac{2}{5} = \frac{420 + 2}{5} = \frac{422}{5} [/tex]