Machines s and t were both cleaned this week. machine s is cleaned every twelve weeks. machine t is cleaned every eight weeks. what is the fewest number of weeks that will pass before both machines are cleaned again in the same week?

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.