15 points if you answer both correctly

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

An object in geometry with no width, length or height is a(n):

Change negative exponents to positive. then solve. round to four decimal places