4 and 1/2 minus 2 and 3/5 to an improper fraction

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?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry