Evaluate
\frac{256}{405}\approx 0.632098765
Factor
\frac{2 ^ {8}}{3 ^ {4} \cdot 5} = 0.6320987654320988
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\frac{\frac{12\times 8}{5\times 36}\times \frac{4}{3}}{\frac{\frac{3}{2}}{\frac{4}{3}}}
Divide \frac{12}{5} by \frac{36}{8} by multiplying \frac{12}{5} by the reciprocal of \frac{36}{8}.
\frac{\frac{8}{3\times 5}\times \frac{4}{3}}{\frac{\frac{3}{2}}{\frac{4}{3}}}
Cancel out 12 in both numerator and denominator.
\frac{\frac{8}{15}\times \frac{4}{3}}{\frac{\frac{3}{2}}{\frac{4}{3}}}
Multiply 3 and 5 to get 15.
\frac{\frac{8\times 4}{15\times 3}}{\frac{\frac{3}{2}}{\frac{4}{3}}}
Multiply \frac{8}{15} times \frac{4}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{32}{45}}{\frac{\frac{3}{2}}{\frac{4}{3}}}
Do the multiplications in the fraction \frac{8\times 4}{15\times 3}.
\frac{\frac{32}{45}}{\frac{3}{2}\times \frac{3}{4}}
Divide \frac{3}{2} by \frac{4}{3} by multiplying \frac{3}{2} by the reciprocal of \frac{4}{3}.
\frac{\frac{32}{45}}{\frac{3\times 3}{2\times 4}}
Multiply \frac{3}{2} times \frac{3}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{32}{45}}{\frac{9}{8}}
Do the multiplications in the fraction \frac{3\times 3}{2\times 4}.
\frac{32}{45}\times \frac{8}{9}
Divide \frac{32}{45} by \frac{9}{8} by multiplying \frac{32}{45} by the reciprocal of \frac{9}{8}.
\frac{32\times 8}{45\times 9}
Multiply \frac{32}{45} times \frac{8}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{256}{405}
Do the multiplications in the fraction \frac{32\times 8}{45\times 9}.
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}