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\frac{16+9}{25}
Since \frac{16}{25} and \frac{9}{25} have the same denominator, add them by adding their numerators.
\frac{25}{25}
Add 16 and 9 to get 25.
1
Divide 25 by 25 to get 1.
Examples
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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