Evaluate
\frac{189}{4}=47.25
Factor
\frac{3 ^ {3} \cdot 7}{2 ^ {2}} = 47\frac{1}{4} = 47.25
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\frac{126\times 3}{8}
Express 126\times \frac{3}{8} as a single fraction.
\frac{378}{8}
Multiply 126 and 3 to get 378.
\frac{189}{4}
Reduce the fraction \frac{378}{8} to lowest terms by extracting and canceling out 2.
Examples
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y = 3x + 4
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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
\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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