Evaluate
\frac{139}{70}\approx 1.985714286
Factor
\frac{139}{2 \cdot 5 \cdot 7} = 1\frac{69}{70} = 1.9857142857142858
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\frac{695}{350}
Expand \frac{69.5}{35} by multiplying both numerator and the denominator by 10.
\frac{139}{70}
Reduce the fraction \frac{695}{350} to lowest terms by extracting and canceling out 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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