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September 20, 2014

September 20, 2014

Posted by **Job Daniel** on Friday, April 20, 2012 at 2:13pm.

4/5*(-2/3)- 4/5* 1/2 + 1/7* 2/3

- Maths -
**Steve**, Friday, April 20, 2012 at 2:22pm4/5*(-2/3) = -8/15

4/5* 1/2 = 4/10 = 2/5

1/7* 2/3 = 2/21

LCD = 3*5*7 = 105

-8/15 - 2/5 + 2/21 = -56/105 - 42/105 + 10/105 = -88/105

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