using appropriate property and find: 2/5 ×(-3/7) - 1/6 × 3/2 + 3/2 + 1/14 ×2/5
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2/5 x (-3/7) - 1/6 x 3/2 + 1/14 x 2/5
= 2/5 x (-3/7) + 1/14 x 2/5 - 1/6 x 3/2 [by commutativity]
= [2/5 x (-3/7)] + [1/14 x 2/5] - 1/6 x 3/2
= 2/5 [-3/7 + 1/14] - 3/12 [by distributivity]
= 2/5 [(-6 + 1)/14] - 1/4
= 2/5 x (-5/14) - 1/4
= -2/14 - 1/4
= (-4 - 7)/28
= -11/28
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