Answer :
The Answer is 0. Because
First you simplify 1/6 = 5/6 (Z+ 1/6)=0
Then use the 6 as a denominator = Z=Z/1= z.6/6
Then you need to add to the common denominator: z.6 +1/6= 6z+1/6
5/6- (6z+1)/6= 0
First you simplify 1/6 = 5/6 (Z+ 1/6)=0
Then use the 6 as a denominator = Z=Z/1= z.6/6
Then you need to add to the common denominator: z.6 +1/6= 6z+1/6
5/6- (6z+1)/6= 0