Evaluate
\frac{13}{14}\approx 0.928571429
Factor
\frac{13}{2 \cdot 7} = 0.9285714285714286
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\frac{7+6}{14}
Since \frac{7}{14} and \frac{6}{14} have the same denominator, add them by adding their numerators.
\frac{13}{14}
Add 7 and 6 to get 13.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}