Posted by **Sophia** on Wednesday, January 31, 2007 at 4:29pm.

12 1/4- 4 1/8

When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.

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