Evaluate
\frac{4}{25}=0.16
Factor
\frac{2 ^ {2}}{5 ^ {2}} = 0.16
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\frac{2\times 25+22}{25\times 18}
Express \frac{\frac{2\times 25+22}{25}}{18} as a single fraction.
\frac{50+22}{25\times 18}
Multiply 2 and 25 to get 50.
\frac{72}{25\times 18}
Add 50 and 22 to get 72.
\frac{72}{450}
Multiply 25 and 18 to get 450.
\frac{4}{25}
Reduce the fraction \frac{72}{450} to lowest terms by extracting and canceling out 18.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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
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