The answer is 3/5 because i did the math on my paper and yea
Answer
Subtract
from 
then;

Remove the bracket we have;

Like terms are those terms which have same variable to the same power.
Combine like terms;

Therefore, Subtracting
from
we get 
Answer:
I don't see methmetical calculation
Answer:
add them together thats all you have to doooo