SOLUTION: How do you add a rational expression like this: 3x/10 + 9x/10?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: How do you add a rational expression like this: 3x/10 + 9x/10?      Log On


   

Question 153120: How do you add a rational expression like this: 3x/10 + 9x/10?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3x/10 + 9x/10
Because the denominators are the same you can just add the numerators. Thus:
(3x+9x)/10=12x/10=6x/5 answer.