Respuesta :

2/3 - 8/12
3/4 - 9/12

Hope that helped!

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Answer:

  8/12, 9/12

Step-by-step explanation:

Multiply the numerator and denominator by the factor that makes the denominator 12.

  [tex]\dfrac{2}{3}=\dfrac{2\cdot4}{3\cdot4}=\boxed{\dfrac{8}{12}}\\\\\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\boxed{\dfrac{9}{12}}[/tex]