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8 units and 2 over 3 + -9 units and 1 over 6

 Oct 2, 2014

Best Answer 

 #1
avatar+23254 
+5

Is this the problem:  8 2/3  +  -9 1/6  ?

If so, you will need to subtract the  8 2/3  from  9 1/6  and make your answer negative.

To subtract  2/3  from  1/6  you will need to have a common denominator; since 3 goes into 6, turn them both into 6ths:    2/3  =  4/6

 

     9 1/6  -  8 2/3

     9 1/6  -  8 4/6

Since  4/6  is greater  than  1/6  rewrite the  9  as  8 + 1  and turn the  1  into  6/6:

     9 1/6   =   8 + 1 + 1/6   =   8 + 6/6 + 1/6   =   8 + 7/6   =   8 7/6

Now, the problem is:   8 7/6  -  8 4/6   =   3/6   =   1/2

But since there was more negative than positive, the answer is  - 1/2 

 Oct 3, 2014
 #1
avatar+23254 
+5
Best Answer

Is this the problem:  8 2/3  +  -9 1/6  ?

If so, you will need to subtract the  8 2/3  from  9 1/6  and make your answer negative.

To subtract  2/3  from  1/6  you will need to have a common denominator; since 3 goes into 6, turn them both into 6ths:    2/3  =  4/6

 

     9 1/6  -  8 2/3

     9 1/6  -  8 4/6

Since  4/6  is greater  than  1/6  rewrite the  9  as  8 + 1  and turn the  1  into  6/6:

     9 1/6   =   8 + 1 + 1/6   =   8 + 6/6 + 1/6   =   8 + 7/6   =   8 7/6

Now, the problem is:   8 7/6  -  8 4/6   =   3/6   =   1/2

But since there was more negative than positive, the answer is  - 1/2 

geno3141 Oct 3, 2014

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