Respuesta :

Answer:

-1:1/2 or -1:3/6

Step-by-step explanation:

-2:2/3 + (-1:1/6) = -2:2/3 - 1:1/6

-2:2/3= -2:4/6

-2:4/6 - 1:1/6= 2-1=1    4-1=3 (Denominator stays the same)

Answer: -1:3/6 or -1:1/2

(Hope this helps!)

He is probably right