How do u do number 28
first work out the part in the parentheses1 1/6 3= 7/6 3 = 21/6 = 7/2convert 4 1/5 to an improper fraction; that is 21/5so we have 21/5 / 7/2 = 21/ 5 2/7 = 21 2 32 ------- = ---- 5 7 5= 6/5 or 1 1/5