Evaluate
\frac{1}{9}\approx 0.111111111
Factor
\frac{1}{3 ^ {2}} = 0.1111111111111111
Quiz
Arithmetic
( \frac{ 1 }{ 1 } -2 \div \frac{ 5 }{ 10 } ) \times \frac{ 4 }{ 9 } + \frac{ 13 }{ 9 }
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\left(1-\frac{2}{\frac{5}{10}}\right)\times \frac{4}{9}+\frac{13}{9}
Divide 1 by 1 to get 1.
\left(1-\frac{2\times 10}{5}\right)\times \frac{4}{9}+\frac{13}{9}
Divide 2 by \frac{5}{10} by multiplying 2 by the reciprocal of \frac{5}{10}.
\left(1-\frac{20}{5}\right)\times \frac{4}{9}+\frac{13}{9}
Multiply 2 and 10 to get 20.
\left(1-4\right)\times \frac{4}{9}+\frac{13}{9}
Divide 20 by 5 to get 4.
-3\times \frac{4}{9}+\frac{13}{9}
Subtract 4 from 1 to get -3.
\frac{-3\times 4}{9}+\frac{13}{9}
Express -3\times \frac{4}{9} as a single fraction.
\frac{-12}{9}+\frac{13}{9}
Multiply -3 and 4 to get -12.
-\frac{4}{3}+\frac{13}{9}
Reduce the fraction \frac{-12}{9} to lowest terms by extracting and canceling out 3.
-\frac{12}{9}+\frac{13}{9}
Least common multiple of 3 and 9 is 9. Convert -\frac{4}{3} and \frac{13}{9} to fractions with denominator 9.
\frac{-12+13}{9}
Since -\frac{12}{9} and \frac{13}{9} have the same denominator, add them by adding their numerators.
\frac{1}{9}
Add -12 and 13 to get 1.
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}