Evaluate
\frac{2}{13}\approx 0.153846154
Factor
\frac{2}{13} = 0.15384615384615385
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\frac{15}{13}-\frac{13}{13}
Convert 1 to fraction \frac{13}{13}.
\frac{15-13}{13}
Since \frac{15}{13} and \frac{13}{13} have the same denominator, subtract them by subtracting their numerators.
\frac{2}{13}
Subtract 13 from 15 to get 2.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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