Find (a+b) ÷ (a-b) if 1.a=1/2 b=2/3
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Answer:
a = 1/2 b = 2/3
(a+b) ÷ (a-b)
=> (1/2+2/3) ÷ (1/2-2/3)
=> ((3+4)/6) ÷ ((3-4)/6)
=> 7/6 ÷ -1/6
=> 7/6 × 6/-1
=> -7
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