Question

números racionales
$\frac{21}{8} - \frac{1}{6}$
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Answer 1

Respuesta:

$\frac{a}{b}- \frac{c}{d}= \frac{(a*d)-(b*c)}{b*d}$

$\frac{21}{8}- \frac{1}{6}= \frac{(21*6)-(8*1)}{(8*6)}$

$= \frac{126-8}{48} = \frac{118}{48} = \frac{59}{24}$