SOLUTION: PERFORM THE INDICATED OPERATION 7-1/2a / 5+1/2a

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Question 170426: PERFORM THE INDICATED OPERATION
7-1/2a / 5+1/2a
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!



Note: in the second step, I multiplied EVERY term by the inner LCD "2a" to clear out the inner fractions.

So %287-1%2F%282a%29%29%2F%285%2B1%2F%282a%29%29=%2814a-1%29%2F%2810a%2B1%29 where a%3C%3E0 or a%3C%3E-1%2F10