How can i simplify the following? help please

16 1/2

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81 3/4 do i need to add the fractions then divide or flip..

also

12(a^3b^2c)^4

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4a^2c^6

thank you

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- December 12th 2007, 04:04 AM #1

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- December 12th 2007, 05:43 AM #2

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- December 13th 2007, 06:18 AM #6