Evaluate
\frac{128}{45}\approx 2.844444444
Factor
\frac{2 ^ {7}}{3 ^ {2} \cdot 5} = 2\frac{38}{45} = 2.8444444444444446
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16\times \frac{5}{3}\times \frac{2}{5}\times \frac{1}{3}\times \frac{4}{5}
Divide 32 by 2 to get 16.
\frac{16\times 5}{3}\times \frac{2}{5}\times \frac{1}{3}\times \frac{4}{5}
Express 16\times \frac{5}{3} as a single fraction.
\frac{80}{3}\times \frac{2}{5}\times \frac{1}{3}\times \frac{4}{5}
Multiply 16 and 5 to get 80.
\frac{80\times 2}{3\times 5}\times \frac{1}{3}\times \frac{4}{5}
Multiply \frac{80}{3} times \frac{2}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{160}{15}\times \frac{1}{3}\times \frac{4}{5}
Do the multiplications in the fraction \frac{80\times 2}{3\times 5}.
\frac{32}{3}\times \frac{1}{3}\times \frac{4}{5}
Reduce the fraction \frac{160}{15} to lowest terms by extracting and canceling out 5.
\frac{32\times 1}{3\times 3}\times \frac{4}{5}
Multiply \frac{32}{3} times \frac{1}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{32}{9}\times \frac{4}{5}
Do the multiplications in the fraction \frac{32\times 1}{3\times 3}.
\frac{32\times 4}{9\times 5}
Multiply \frac{32}{9} times \frac{4}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{128}{45}
Do the multiplications in the fraction \frac{32\times 4}{9\times 5}.
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}