A grocery store normally sells lemonade for $ 3 . 5 0 $3.50dollar sign, 3, point, 50 per bottle. The grocery store is currently
having a sale on lemonade which advertises 6 66 bottles for only $ 1 3 . 5 0 $13.50dollar sign, 13, point, 50. How much cheaper is the lemonade on sale per bottle compared to the normal price per bottle?
This number will be your least common denominator (LCD). Divide the LCD by the original denominator. To determine the multiple needed to make the denominators equal, divide the LCD you determined by the original denominator. Multiply the numerator and the denominator of each fraction by this number.