x+2 4/5=3 1/6

2 4/5 =  14/5     and   3 1/6 = 19/6      so we have

x + 14/5  = 19/6    subtract 14/5 from both sides

x = 19/6 - 14/5      so we have

x = [19*5 - 14*6]/30

x = (95 - 84)/30

x = 11/30