11/6 - 2/ 3 = 11/6 - 4/6 = 7/6

so we have 1 and 1/6-2/3 convert 1 and 1/6 to improper 1 and 1/6=1+1/6=6/6+1/6=7/6 make bottom number same 3 times 2=6 so 2/3 times 2/2=4/6 now we have 7/6-4/6=(7-4)/6=3/6=1/2 answer is 1/2