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Posted by on Friday, October 8, 2010 at 7:34am.

please can you answer this is all about sums and differences of rational algebraic expression...please i need it please ?this is the problem....3/5+4/5=? another x/3-y/3=? another is 7/a+2/a

  • math - , Friday, October 8, 2010 at 11:21am

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

    See your later post.

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