because there are 2 a's on the top and 1 on the bottom and the line inbetween them means divide and 2 divide 1= 2. but on the top there is 1 b and on the bottom there is 3 b's and 1 divide 3 = 0.3
because there are 2 a's on the top and 1 on the bottom and the line inbetween them means divide and 2 divide 1= 2. but on the top there is 1 b and on the bottom there is 3 b's and 1 divide 3 = 0.3