Evaluate
\frac{13}{820}\approx 0.015853659
Factor
\frac{13}{2 ^ {2} \cdot 5 \cdot 41} = 0.015853658536585366
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\left(\frac{3}{4}+\frac{\frac{2}{3}}{\frac{3}{4}-\frac{8}{4}}\right)\times \frac{6}{41}\times \frac{1}{2}
Convert 2 to fraction \frac{8}{4}.
\left(\frac{3}{4}+\frac{\frac{2}{3}}{\frac{3-8}{4}}\right)\times \frac{6}{41}\times \frac{1}{2}
Since \frac{3}{4} and \frac{8}{4} have the same denominator, subtract them by subtracting their numerators.
\left(\frac{3}{4}+\frac{\frac{2}{3}}{-\frac{5}{4}}\right)\times \frac{6}{41}\times \frac{1}{2}
Subtract 8 from 3 to get -5.
\left(\frac{3}{4}+\frac{2}{3}\left(-\frac{4}{5}\right)\right)\times \frac{6}{41}\times \frac{1}{2}
Divide \frac{2}{3} by -\frac{5}{4} by multiplying \frac{2}{3} by the reciprocal of -\frac{5}{4}.
\left(\frac{3}{4}+\frac{2\left(-4\right)}{3\times 5}\right)\times \frac{6}{41}\times \frac{1}{2}
Multiply \frac{2}{3} times -\frac{4}{5} by multiplying numerator times numerator and denominator times denominator.
\left(\frac{3}{4}+\frac{-8}{15}\right)\times \frac{6}{41}\times \frac{1}{2}
Do the multiplications in the fraction \frac{2\left(-4\right)}{3\times 5}.
\left(\frac{3}{4}-\frac{8}{15}\right)\times \frac{6}{41}\times \frac{1}{2}
Fraction \frac{-8}{15} can be rewritten as -\frac{8}{15} by extracting the negative sign.
\left(\frac{45}{60}-\frac{32}{60}\right)\times \frac{6}{41}\times \frac{1}{2}
Least common multiple of 4 and 15 is 60. Convert \frac{3}{4} and \frac{8}{15} to fractions with denominator 60.
\frac{45-32}{60}\times \frac{6}{41}\times \frac{1}{2}
Since \frac{45}{60} and \frac{32}{60} have the same denominator, subtract them by subtracting their numerators.
\frac{13}{60}\times \frac{6}{41}\times \frac{1}{2}
Subtract 32 from 45 to get 13.
\frac{13\times 6}{60\times 41}\times \frac{1}{2}
Multiply \frac{13}{60} times \frac{6}{41} by multiplying numerator times numerator and denominator times denominator.
\frac{78}{2460}\times \frac{1}{2}
Do the multiplications in the fraction \frac{13\times 6}{60\times 41}.
\frac{13}{410}\times \frac{1}{2}
Reduce the fraction \frac{78}{2460} to lowest terms by extracting and canceling out 6.
\frac{13\times 1}{410\times 2}
Multiply \frac{13}{410} times \frac{1}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{13}{820}
Do the multiplications in the fraction \frac{13\times 1}{410\times 2}.
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}