Express the following as rational numbers with denominator 3

Answer:
Step-by-step explanation:
[tex]a) \dfrac{-46}{69}=\dfrac{-2*23}{3*23}=\dfrac{-2}{3}\\\\b) \dfrac{94}{141}=\dfrac{47*2}{47*3}=\dfrac{2}{3}\\\\\\c) \dfrac{-72}{108}=\dfrac{-2*36}{3*36}=\dfrac{-2}{3}[/tex]