7/9 -3 ÷ 3/2 +3/4
7/9=0.777777778
3/2=1.5
3/4=0.75
now, for the solving:
0.777778 - 3= -2.22222 (if you want it in fraction form that'd be: -20/9)
1.5 + 0.75 = 2.25 (if you want it in fraction form that'd be: 9/4)
divide both answers:
-17/36 in fraction form
-0.472222222 in decimal form