1. using appropriate properties find. (i) -2/3 × 3/5 + 5/2 – 3/5 × 1/6
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Step-by-step explanation:
2/5x(-3/7)-1/6x3/2 + 1/14×2/5
=2/5x(-3/7)+1/14*2/5-1/6*3/2
=2/5x(-3/7+1/14) - 1/6*3/2
=2/5 x ( -6/14+1/14)-1/6*3/2 =2/5 x(-5/14)-1/2x1/2
=-2/14-1/4
Taking LCM of 14 and 4 that is 28
=-4/28-7/28
= -(4+7)/28
== 11/28
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