SOLUTION: I need to subtract unlike rational expressions. 2 over 5w+10 minus 3 over 2w-4

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Question 73853: I need to subtract unlike rational expressions.
2 over 5w+10 minus 3 over 2w-4
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2 over 5w+10 minus 3 over 2w-4
-----------------
2/(5(w+2)) - 3/(2(w-2))
The lcd is 10(w-2); Write all fractions the the lcd as denominator:
= (2*2)/lcd - (3*5)/lcd
Since the denominators are now the same subtract to get:
=[4-15]/lcd
=-11/(10(w-2))
Cheers,
Stan H.