Answer:
- 19/12 or - 1 7/12
Step-by-step explanation:
11/12 + ( - 8/12) = - 19/12 = - 1 7/12
Change the denominator for 12, and leave 11/12 alone, but multiply 4 to the numerator of - 2/3.
make the denominators the same so you can subtract easier
