Question

Qual das alternativas representa
3/9 + 2/6 ?
(A)5/18 (B)9/27 (C)12/18 (D)4/27
​

Answer 1

Explicação passo-a-passo:

$\sf{\dfrac{3}{9} + \dfrac{2}{6}}$

$\sf{mmc(9,6) = 18}$

$\sf{\dfrac{18\div9\cdot3}{18} + \dfrac{18\div6\cdot2}{18}}$

$\sf{\dfrac{6}{18} + \dfrac{6}{18}}$

$\sf{\dfrac{6+6}{18}}$

$\boxed{\sf{ = \dfrac{12}{18}}}$

$\red{\boxed{\sf{Letra~~C)}}}$