Question

Efectuar este ejercicio de fraccion (3/4 +2) + (1/2 - 4)

Answer 1

Efectuar este ejercicio de fracción (3/4 +2) + (1/2 - 4)

$( \frac{3}{4}+2) + ( \frac{1}{2}-4)= \qquad sacamos \ mcm \\ \\ ( \frac{3}{4}+ \frac{2*4}{4}) + ( \frac{1}{2}- \frac{4*2}{2})= \\ \\ ( \frac{3}{4}+ \frac{8}{4}) + ( \frac{1}{2}- \frac{8}{2})= \\ \\ ( \frac{3+8}{4}) + (\frac{1-8}{2})=\\ \\ ( \frac{11}{4}) + (\frac{-7}{2})= \\ \\ \frac{11}{4} + (\frac{-7*2}{2*2})= \frac{11}{4} + (\frac{-14}{4})= \frac{11-14}{4} = \boxed{ \frac{-3}{4}}$

Espero que te sirva, salu2!!!!