Posted by **sam ** on Tuesday, July 16, 2013 at 4:40pm.

part a: Lucy makes pottery to sell. One week , she uses 6 3/4kg of clay next week 2 2/3 clay. HOW much does she use during 2 weeks ? part b : The clay is in blocks that weigh 12 kg. How much clay does lucy have left after using clay for 2 weeks ?

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**bobpursley**, Tuesday, July 16, 2013 at 4:54pm
6 3/4+2 2/3=27/4+8/3=(27*3+8*4)/12 you do it.

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**sam **, Tuesday, July 16, 2013 at 4:59pm
sorry lost, first time ever doing this. can you explain

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**Ms. Sue**, Tuesday, July 16, 2013 at 5:35pm
Which part haven't you done before?

adding fractions?

multiplying?

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**sam **, Tuesday, July 16, 2013 at 5:51pm
adding fractions

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**Ms. Sue**, Tuesday, July 16, 2013 at 6:03pm
To add fractions, they must have the same denominator. Study this site carefully.

http://www.mathsisfun.com/numbers/common-denominator.html

6 3/4 + 2 2/3 = 6 9/12 + 2 8/12 = 8 17/12 = 9 5/12

http://www.mathsisfun.com/fractions_addition.html

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**Anonymous**, Wednesday, July 17, 2013 at 8:51am
THANK YOU FOR THE SITE. WILL DEFINTELY GO OVER IT

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