Question 193339
(4x-12)/6x
(4x/6x)-(12/6x)
(2/3)- (2/x)

check  by  using  x=4
original (4*4-12)/(6*4)=4/24=1/6
answer  2/3-(2/4)=2/3-1/2=4/6-3/6=1/6,,,ok