Posted by nena on Thursday, October 25, 2007 at 2:04pm.
You have not provided an answer to the first one.
The second one is wrong. Tou are adding two positive fractions and so cannot get a negative number. Concert 7/9 to 14/18 and add the fractions. Then reduce to lowest terms. The answer might be an integer.
The third answer is correct.
The reciprocal will be (-7)(3/14)(1/9)
(Multiply the reciprocals of each factor)
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