Answer:
-11/12
Explanation:
(5/8 + 3/4) / (-2/3 - 5/6)
(5/8 + 6/8) / (-4/6 - 5/6) Make common denominators
(11/8) / (-9/6) Subtract/Add the denominator and numerator separately
(11/8)*(-6/9) Change division into multiplication (Flip second fraction)
-66/72 (Multiply the numerator and denominator across)
-11/12 (Simplify by 6)