SOLUTION: ok I want to see if I am doing this right? (8/21w) + (2/9w) 3w/(21w)(9w) + 2(21w)/(21w)(9w) 3w+42w/(21w)(9w) Now is this correct? Do I have to simplify it more? I got

Question 134423: ok I want to see if I am doing this right?
(8/21w) + (2/9w)
3w/(21w)(9w) + 2(21w)/(21w)(9w)
3w+42w/(21w)(9w)
Now is this correct?
Do I have to simplify it more?
I got 2/3w
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

The LCM of and is . So we need to get each denominator to

Multiply the first fraction by

Multiply

Multiply the second fraction by

Multiply

Combine the fractions

Add

-----------------------------

Answer:

So simplifies to

In other words,
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