Evaluate
\frac{40}{91}\approx 0.43956044
Factor
\frac{5 \cdot 2 ^ {3}}{7 \cdot 13} = 0.43956043956043955
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0.0004\times \frac{1}{0.091}\times 100
Subtract 0.0906 from 0.091 to get 0.0004.
0.0004\times \frac{1000}{91}\times 100
Expand \frac{1}{0.091} by multiplying both numerator and the denominator by 1000.
\frac{1}{2500}\times \frac{1000}{91}\times 100
Convert decimal number 0.0004 to fraction \frac{4}{10000}. Reduce the fraction \frac{4}{10000} to lowest terms by extracting and canceling out 4.
\frac{1\times 1000}{2500\times 91}\times 100
Multiply \frac{1}{2500} times \frac{1000}{91} by multiplying numerator times numerator and denominator times denominator.
\frac{1000}{227500}\times 100
Do the multiplications in the fraction \frac{1\times 1000}{2500\times 91}.
\frac{2}{455}\times 100
Reduce the fraction \frac{1000}{227500} to lowest terms by extracting and canceling out 500.
\frac{2\times 100}{455}
Express \frac{2}{455}\times 100 as a single fraction.
\frac{200}{455}
Multiply 2 and 100 to get 200.
\frac{40}{91}
Reduce the fraction \frac{200}{455} to lowest terms by extracting and canceling out 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}