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Simplify : ((3)/(5) xx (-15)/(21)) +((-...

Simplify : `((3)/(5) xx (-15)/(21)) +((-9)/(14) +(45)/(28)) -((2)/(3) xx (30)/(12))`

A

`1(17)/(35)`

B

`-2(52)/(105)`

C

`-1(4)/(11)`

D

`(-40)/(41)`

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