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Addition Of Rational Numbers (-5/9) + (-7/12) + 11/18

Addition Of Rational Numbers (-5/9) + (-7/12) + 11/18

Submitted by • June 2, 2012 www.tutorcircle.com

The denominators of the given Numbers are 9, 12, 18.The LCM of 9, 12, 18 will be ( 3 x 3 x 2 x 2 ) = 36,Therefore the expression become: ( ( -20 ) + ( -21 ) + 22 )/36 = -19/36,Hence, the final sum will be -19/36,The results will always be same regardless of the arrangement of the Fractions.

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Voted by mukesh01