solve: 12+25/13 / 12-25/13

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Solution

$\frac{12 + \frac{25}{13}}{12 - \frac{25}{13}} = \frac{\frac{156 + 25}{13}}{\frac{156 - 25}{13}} = \frac{\frac{181}{13}}{\frac{131}{13}} = \frac{181}{13} \times \frac{13}{131} = \frac{181}{131}$

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