Answer:
Remove the parentheses, use LCM (least common multiplier), adjust fractions based on the LCM, since denominators are equal, combine the fractions, subtract. Your answer would be: -5/12.
Explanation:
Steps to the words I said but in fraction step:
3/4 + (-1/2) + (-2/3)
3/4 - 1/2 - 2/3
9/12 - 6/12 - 8/12
9-6-8/12
-5/12