1.

Simplify:20 (-18112 535 (-2010 (15)」

Answer»

[20/12 * (-18/5)] + [-35/10 * (-20/15)]= [5/3 *(-18/5)] + [-7/2 * (-4/3)]= (-6 + 14/3)Take LCM= (-18 + 14)/3= - 4/3



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