Question

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Answer 1

Respuesta:

B) $\frac{169}{84}$
C) $\frac{71}{30}$

Explicación paso a paso:

B) MCM = 84

$\frac{36}{84} +\frac{112}{84}+\frac{21}{84} = \frac{36+112+21}{84}= \frac{169}{84}$

C) MCM = 30

$\frac{36}{30}+\frac{20}{30}+\frac{15}{30} = \frac{36+20+15}{30} =\frac{71}{30}$