Evaluate
12
Factor
2^{2}\times 3
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\frac{21+3}{2}
Since \frac{21}{2} and \frac{3}{2} have the same denominator, add them by adding their numerators.
\frac{24}{2}
Add 21 and 3 to get 24.
12
Divide 24 by 2 to get 12.
Examples
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Limits
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