Kenneth S. answered 11/02/16
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
your presentation of the coordinates (ordered pairs) for the endpoints is faulty--the endpoints are
(2/3, 3/2) and (7/3, 2).
All you have to do to get the coordinates of the midpoint of this line segment is to find the average x and the average y.
So the average x is one half of 2/3 and 7/3, i.e. half of 9/3, which is 3/2
Do the average of those y coordinates of end points to finish this job.