SOLUTION: 7/9 - 7/12 =
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Question 310086: 7/9 - 7/12 =
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
7/9 - 7/12 =
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You have to get a common denominator.
The product always works, = 9*12 = 108
7/9 - 7/12 = 84/108 - 63/108 = 21/108
21/108 = 7/36
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You can waste time finding the LCD, Least Common Denominator, or just use the product.
It might mean reducing the result, but that's easy and never takes more time than finding the LCD.
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