Posted by Deb on Friday, January 9, 2009 at 5:12pm.
#1 2/3  1/6 + 5/9
#2
4 1/3  3 1/9 + 2 1/2
#3
Find the fivenumber summary of the following set of numbers. (Show the work and label your answers.)
335, 234, 187, 394, 237, 452, 300, 201, 303

Math 115 3  Ms. Sue, Friday, January 9, 2009 at 5:14pm
We'll be glad to check your answers or explain any concepts you don't understand.

Math 115 3  Deb, Friday, January 9, 2009 at 5:43pm
don't remember how to do any of this
Have no idea of what #3 is

Math 115 3  Ms. Sue, Friday, January 9, 2009 at 6:07pm
When adding or subtracting fractions, you first must get a common denominator.
2/3  1/6 + 5/9 = 12/18  3/18 + 10/18 = 19/18 = 1 1/18
Please try the second one yourself.
I'm not sure about # 3. You'll probably get a response from another tutor if you post # 3 as a new question.

Math 115 3  Deb, Friday, January 9, 2009 at 7:37pm
do I change the mixed number with a common denminator or just the fradction part first?
4 1/3 = 13/3 =78/18
3 1/9 = 28/9 =56/18
2 1/2 = 5/2 =45/18
78/18 56/18 + 45/18 =67/18 =3 13/18
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