Respuesta :

6 7/8
- 1 2/8
_______
5 5/8

Make sense?
semily
6 7/8 - 1 2/8 = 5 5/8          (6 - 1 = 5)          (7 - 2 = 5)    
The eight stay the same thing because the denominator is the same if the denominator is not the same so we do the lowest common denominator (LCD).

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