I need help can u draw a graph for me on paper or message me or anything

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Ihonestly have no clue if it's each or none.