subtract fractions w/o a common deminator? 1/6 - 1/8=
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Create a common denominator. 6 and 8 both divide into 24, so 24 is a common denominator.

⅙ is 4/24 and ⅛ is 3/24. Now it’s easy to work out the difference:

(4-3)/24=1/24.

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