2/3 - 5/6 (8-1/6) + 1/2
do the inside parenthesis
2/3 - 5/6 (7 5/6) + 1/2
change to an improper fraction ( 7 5/6 = (6*7+5)/6 =47/6)
2/3 - 5/6 * (47/6) + 1/2
2/3 - 5/6 * 47/6 + 1/2
2/3 - 235/ 36 + 1/2
get a common denominator of 36
2/3 *12/12 -235/36 + 1/2 *18/18
24/36 -235/36 + 18/36
(24-235+18)/36
-193/36
change to a mixed number
36 goes into 193 5 times with 13 left over
-5 13/36
