Question 127932
(3g-(1/9)) - (g-(1/6)) 
=((27g-1)/9)-((6g-1)/6) LCD=54
=((6(27g-1))-(9(6g-1)))/54
=((162g-6)-(54g-9))/54
=(162g-6-54g+9)/54
=(108g+3)/54
=2g+(3/54)
=2g+(1/18)
.
Ed