Usually, the comparison of quantities of the same type can be made by the method of difference between the quantities. However, a more meaningful comparison between the quantities can be made by using division, i.e. by verifying how many times one quantity is into the other quantity. This method is known as comparison by ratio. <br />Read more at https://www.learnnext.com/lesson/CBSE-VI-Maths-Ratios.htm
