Evaluate
\frac{3}{7}\approx 0.428571429
Factor
\frac{3}{7} = 0.42857142857142855
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-\frac{21}{7}+\frac{24}{7}
Convert -3 to fraction -\frac{21}{7}.
\frac{-21+24}{7}
Since -\frac{21}{7} and \frac{24}{7} have the same denominator, add them by adding their numerators.
\frac{3}{7}
Add -21 and 24 to get 3.
Examples
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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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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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