Your question is so blur i cant see
plzz send a nice pics
Steps
find the Least Common Multiple of the denominators (which is called the Least Common Denominator).
Change each fraction (using equivalent fractions) to make their denominators the same as the least common denominator.
Then add (or subtract) the fractions, as we wish!
your denominators stay the same so its 20
Answer:

Step-by-step explanation:
Your Welcome!
Answer:
0.1025641026
Step-by-step explanation:
-8/12×-2/13
=16/156
=0.1025641026
Answer:
RS = 32
Step-by-step explanation:
Set-up equation like this -- 2x+6+16=4x-4
Solve for x
Then plug x in for the length of RS. You should get 32 for RS.