Evaluate
\frac{15}{13}\approx 1.153846154
Factor
\frac{3 \cdot 5}{13} = 1\frac{2}{13} = 1.1538461538461537
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\frac{12+3}{13}
Since \frac{12}{13} and \frac{3}{13} have the same denominator, add them by adding their numerators.
\frac{15}{13}
Add 12 and 3 to get 15.
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