Count the total number of objects. That is the denominator, which goes under the line. Then, only count the stars. That number is the numerator, which goes on top.
4 2/9=8/9
8/9 x 6=48/9= 5 3/9
5 3/9= 5 1/3
Symmetry is the same as the one side of the graph but it is fliped on the X-axis