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8-5 3/8-2 5/7

 Oct 11, 2017
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8 - (5 + 3/8)  - (2 + 5/7)  =

 

8 - ( 43/8) - ( 19/7)    get a common denominator between 7 and 8  = 56

 

8 -  (301 / 56) - ( 152 / 56)   =

 

8 -  453 /56

 

448 / 56  -  453 / 56  =

 

-5 /56

 

 

cool cool cool

 Oct 11, 2017
edited by CPhill  Oct 11, 2017

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