Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded one third of one rectangle and one fourth of other rectangle. what is the least number of parts into which both rectangles could be divided?

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?