Evaluate
\frac{871}{2}=435.5
Factor
\frac{13 \cdot 67}{2} = 435\frac{1}{2} = 435.5
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\frac{67}{2}\times 13
Multiply \frac{1}{2} and 67 to get \frac{67}{2}.
\frac{67\times 13}{2}
Express \frac{67}{2}\times 13 as a single fraction.
\frac{871}{2}
Multiply 67 and 13 to get 871.
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 ) }
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Limits
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