-2/3x3/5+5/2-3/5x1/6 using appropriate property
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-2/3 x 3/5 + 5/2 - 3/5 x 1/6
= -2/3 x 3/5 - 3/5 x 1/6 + 5/2 [by commutativity]
= (-2/3 x 3/5) - (3/5 x 1/6) + 5/2
= 3/5 [-2/3 - 1/6] + 5/2 [by distributivity]
= -3/5 [2/3 + 1/6] + 5/2
= -3/5 [(4 + 1)/6] + 5/2
= -3/5 x 5/6 + 5/2
= -3/6 + 5/2
= -1/2 + 5/2
= (-1 + 5)/2
= 4/2
= 2
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