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 ?

math  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.

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

math  Ms. Sue, Tuesday, July 16, 2013 at 5:35pm
Which part haven't you done before?
adding fractions?
multiplying? 
math  sam, Tuesday, July 16, 2013 at 5:51pm
adding fractions

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