Answer:
not sure if you're looking for an example of this or not but if you are then it could be something like 12 + 8 because 2/3 of 12 is 8.
Sorry, don't have time to do them right now but I know who does!
http://www.wolframalpha.com/widgets/view.jsp?id=ae438682ce61743f90d4693c497621b7
Just plug in 2 at a time.
Answer:
<h2>1/3 = 5/15 and 1/5 = 3/15</h2>
Step-by-step explanation:

Answer:
73=y
X=35
This is because the triangle is a total of 180 and the line has a value of 180