The answer would be Z=19/24 because 1/8 plus 2/3 equals 19/24. To get that, first find the LCM.The LCM is 24. Make all denominators 24. 1/8 times 3 equals 3/24, so keep that in mind, and next 2/3 times 8 equals 16/24. Now do addition, 16 plus 3 equals 19, so there's your answer. 19/24.