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| Math Central | Quandaries & Queries |
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Question from bianco, a student: 2/3+3/4= |
Hi,
To add or subtract fractions you need their denominators to be equal. The denominators in your second problem are equal and hence
\[\frac98 - \frac68 = \frac{9 - 6}{8} = \frac38.\]
For your first problem you will need to find a common denominator.
Penny
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