Evaluate
\frac{8}{45}\approx 0.177777778
Factor
\frac{2 ^ {3}}{3 ^ {2} \cdot 5} = 0.17777777777777778
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\frac{\frac{\frac{\frac{8}{3}}{2}}{\frac{\frac{1}{2}}{\frac{3}{2}}}\times 3}{9\times \frac{15}{2}}
Divide \frac{\frac{\frac{\frac{8}{3}}{2}}{\frac{\frac{1}{2}}{\frac{3}{2}}}}{9\times \frac{15}{2}} by \frac{1}{3} by multiplying \frac{\frac{\frac{\frac{8}{3}}{2}}{\frac{\frac{1}{2}}{\frac{3}{2}}}}{9\times \frac{15}{2}} by the reciprocal of \frac{1}{3}.
\frac{\frac{\frac{8}{3}\times \frac{3}{2}}{2\times \frac{1}{2}}\times 3}{9\times \frac{15}{2}}
Divide \frac{\frac{8}{3}}{2} by \frac{\frac{1}{2}}{\frac{3}{2}} by multiplying \frac{\frac{8}{3}}{2} by the reciprocal of \frac{\frac{1}{2}}{\frac{3}{2}}.
\frac{\frac{\frac{8\times 3}{3\times 2}}{2\times \frac{1}{2}}\times 3}{9\times \frac{15}{2}}
Multiply \frac{8}{3} times \frac{3}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{\frac{8}{2}}{2\times \frac{1}{2}}\times 3}{9\times \frac{15}{2}}
Cancel out 3 in both numerator and denominator.
\frac{\frac{4}{2\times \frac{1}{2}}\times 3}{9\times \frac{15}{2}}
Divide 8 by 2 to get 4.
\frac{\frac{4}{1}\times 3}{9\times \frac{15}{2}}
Cancel out 2 and 2.
\frac{4\times 3}{9\times \frac{15}{2}}
Anything divided by one gives itself.
\frac{12}{9\times \frac{15}{2}}
Multiply 4 and 3 to get 12.
\frac{12}{\frac{9\times 15}{2}}
Express 9\times \frac{15}{2} as a single fraction.
\frac{12}{\frac{135}{2}}
Multiply 9 and 15 to get 135.
12\times \frac{2}{135}
Divide 12 by \frac{135}{2} by multiplying 12 by the reciprocal of \frac{135}{2}.
\frac{12\times 2}{135}
Express 12\times \frac{2}{135} as a single fraction.
\frac{24}{135}
Multiply 12 and 2 to get 24.
\frac{8}{45}
Reduce the fraction \frac{24}{135} to lowest terms by extracting and canceling out 3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}