Answer:
-4, -2, -1
Hope that helps!
Step-by-step explanation:
Find the LCD of both fractions and that is 45.
Make the denominators the same as the LCD
Simplify, now denominators are the same
join the denominators
simplify
Answer: 23/45
Knowing that your area is:

you can find the radius as:

;
With this you can evaluate the circumference as: