Answer:-1/6
Step-by-step explanation:
-1/2 + (3/4times4/9)
-1/2 + (3/4 x 4/9)
-1/2 + (3x4)/(4x9)
-1/2 + 12/36
(18 x -1 + 1 x 12)/36
(-18+12)/36
-6/36=-1/6
