Evaluate
\frac{18}{5}=3.6
Factor
\frac{2 \cdot 3 ^ {2}}{5} = 3\frac{3}{5} = 3.6
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\frac{15\times 6}{4\times 6+1}
Divide 15 by \frac{4\times 6+1}{6} by multiplying 15 by the reciprocal of \frac{4\times 6+1}{6}.
\frac{90}{4\times 6+1}
Multiply 15 and 6 to get 90.
\frac{90}{24+1}
Multiply 4 and 6 to get 24.
\frac{90}{25}
Add 24 and 1 to get 25.
\frac{18}{5}
Reduce the fraction \frac{90}{25} to lowest terms by extracting and canceling out 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}