SOLUTION: subtract, simplify if possible 6-w/w-9 - 9w-7/9-w these are 2 separate fractions; 6-w on top and w-9 on the bottom, same with the other one

Question 475010: subtract, simplify if possible
6-w/w-9 - 9w-7/9-w
these are 2 separate fractions; 6-w on top and w-9 on the bottom, same with the other one
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

Per your reply: see highlighted, this type of operation is commonly done

to achieve common denominators when it is appropriate to do so.

Note: using parenthesis clarifys:

(6-w)/(w-9)  -  (9w-7)/(9-w)  |Note:  





 

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