Evaluate
\frac{1}{27}\approx 0.037037037
Factor
\frac{1}{3 ^ {3}} = 0.037037037037037035
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\left(\frac{1}{2}+\frac{2}{3}-1\right)\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Divide 3 by 3 to get 1.
\left(\frac{3}{6}+\frac{4}{6}-1\right)\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Least common multiple of 2 and 3 is 6. Convert \frac{1}{2} and \frac{2}{3} to fractions with denominator 6.
\left(\frac{3+4}{6}-1\right)\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Since \frac{3}{6} and \frac{4}{6} have the same denominator, add them by adding their numerators.
\left(\frac{7}{6}-1\right)\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Add 3 and 4 to get 7.
\left(\frac{7}{6}-\frac{6}{6}\right)\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Convert 1 to fraction \frac{6}{6}.
\frac{7-6}{6}\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Since \frac{7}{6} and \frac{6}{6} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{6}\left(2+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Subtract 6 from 7 to get 1.
\frac{1}{6}\left(\frac{6}{3}+\frac{1}{3}-\frac{2\times 9+1}{9}\right)
Convert 2 to fraction \frac{6}{3}.
\frac{1}{6}\left(\frac{6+1}{3}-\frac{2\times 9+1}{9}\right)
Since \frac{6}{3} and \frac{1}{3} have the same denominator, add them by adding their numerators.
\frac{1}{6}\left(\frac{7}{3}-\frac{2\times 9+1}{9}\right)
Add 6 and 1 to get 7.
\frac{1}{6}\left(\frac{7}{3}-\frac{18+1}{9}\right)
Multiply 2 and 9 to get 18.
\frac{1}{6}\left(\frac{7}{3}-\frac{19}{9}\right)
Add 18 and 1 to get 19.
\frac{1}{6}\left(\frac{21}{9}-\frac{19}{9}\right)
Least common multiple of 3 and 9 is 9. Convert \frac{7}{3} and \frac{19}{9} to fractions with denominator 9.
\frac{1}{6}\times \frac{21-19}{9}
Since \frac{21}{9} and \frac{19}{9} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{6}\times \frac{2}{9}
Subtract 19 from 21 to get 2.
\frac{1\times 2}{6\times 9}
Multiply \frac{1}{6} times \frac{2}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{54}
Do the multiplications in the fraction \frac{1\times 2}{6\times 9}.
\frac{1}{27}
Reduce the fraction \frac{2}{54} to lowest terms by extracting and canceling out 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}