SOLUTION: 1/6d^5 + 1/7d^9= 6+7d4/42d^14 Did I answer correctly?

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Question 194291This question is from textbook saxon algebra 2
: 1/6d^5 + 1/7d^9=
6+7d4/42d^14
Did I answer correctly? This question is from textbook saxon algebra 2

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Er...not quite!
Simplify:
%281%2F6d%5E5%29%2B%281%2F7d%5E9%29 The LCD is 6%2A7%2Ad%5E9+=+42d%5E9 so multiply the first fraction by 7d%5E4%2F%287d%5E4%29 and the second fraction by 6%2F6
%287d%5E4%2F%286d%5E5%29%287d%5E4%29%29%2B%286%2F%286%29%287d%5E9%29%29