Respuesta :

choixongdong

3/4 + (-2/3)

= 3/4 - 2/3

= 9/12 - 8/12

= 1/12

Answer

C. 1/12

gmany

[tex]\dfrac{3}{4}+\left(-\dfrac{2}{3}\right)\\\\\text{the common denominator is (4)(3) = 12}\\\\\dfrac{3\cdot3}{4\cdot3}-\dfrac{2\cdot4}{3\cdot4}=\dfrac{9}{12}-\dfrac{8}{12}=\dfrac{9-8}{12}=\boxed{\dfrac{1}{12}}\to\boxed{c.}[/tex]

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