given three rational number vertify the assocative under addition .3/4,-1/2,2/3
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If they are added 3/4 + (-1/2) + 2/3
common denominator 12 :
9/12 + (-6/12) + 8/12 = 11/12
If they are added 3/4 +2/3 + (-1/2)
It becomes 9/12 +8/12 + (-6/12) = 11/12
If they are added 2/3 + 3/4 +(-1/2)
It becomes 8/12 + 9/12 + (-6/12) = 11/12
Hence, Verified
( You can try other combinations as well)
common denominator 12 :
9/12 + (-6/12) + 8/12 = 11/12
If they are added 3/4 +2/3 + (-1/2)
It becomes 9/12 +8/12 + (-6/12) = 11/12
If they are added 2/3 + 3/4 +(-1/2)
It becomes 8/12 + 9/12 + (-6/12) = 11/12
Hence, Verified
( You can try other combinations as well)
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