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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Tuesday, September 1, 2009 at 7:43pm.

Thank you much appreciated..

Add.

-4/5 + (9/20) = 5/25

1 + (-2) + 3 + (-4) = 10

5/3 + (-4/3) + 5/3 = 6/3

- Math -
**bobpursley**, Tuesday, September 1, 2009 at 7:49pmNo, No, and the last, yes.

on the first, change all terms to have 20 in the denominator.

On the second, see my other post.

- Math -
**Ms. Sue**, Tuesday, September 1, 2009 at 7:51pm-4/5 + (9/20) =

Note that the common denominator is 20, not 25.

-(16/20) + (9/20) = -(7/20)

_______________________________

1 + (-2) + 3 + (-4) =

I don't see how you can get 10 from this problem.

4 + (-6) = ?

_____________________________

Your last problem is right -- but can be reduced to 2.

- Math -
**Anonymous**, Tuesday, September 1, 2009 at 7:57pmI did not read or do it carefully

so I reworked these problems and my answers are:

1. -7/20

2. -2

and the third one is 6/3 = 2

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