Answers

2015-07-28T16:20:24+08:00
example  2   3    -1   
                8        8     8
first u going answer is 2/8+3/8 u add the numerator and copy the denominator=5/8,second is 5/8-1/8 u subtract the numerator and copy the denominator again=and the answer is 4/8 or 1/2
             
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