Answer :
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).
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).