Respuesta :

(5/6)-(4/9)
Get common denominators
(15/18)-(8/18)=(7/18)
Now do
(7/18)-(-2)
Or
(7/18)+(2)
Get common denominators
(7/18)+(36/18)=43/18
So
(5/6)+(-4/9)-(-2)= (43/18)

Otras preguntas