Respuesta :

-8 3/4 + -11 1/3

I would do this problem by changing each mixed number into an improper fraction

-8 3/4 = -35/4
-11 1/3 = -34/3

Then I would find the common denominator

-35/4(3/3) = -105/12
-34/3(4/4) = -136/12