Posted by Anonymous on Tuesday, September 1, 2009 at 7:43pm.
the last one is correct.
The first one, change to common denominator..
-16/20 + 9/20 = ?
The second, gather like terms...
4-6=?
first problem is = 1/5
second problem is = 2
and the third one is 6/2 would it be 6/3 or do I have to change it to 2? since 6 divided by 3 is 2?
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