| \frac { 2 } { 3 } + | \frac { 1 } { 9 }
Evaluate
\frac{7}{9}\approx 0.777777778
Factor
\frac{7}{3 ^ {2}} = 0.7777777777777778
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|\frac{2}{3}+\frac{1}{9}|
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of \frac{1}{9} is \frac{1}{9}.
|\frac{6}{9}+\frac{1}{9}|
Least common multiple of 3 and 9 is 9. Convert \frac{2}{3} and \frac{1}{9} to fractions with denominator 9.
|\frac{6+1}{9}|
Since \frac{6}{9} and \frac{1}{9} have the same denominator, add them by adding their numerators.
|\frac{7}{9}|
Add 6 and 1 to get 7.
\frac{7}{9}
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of \frac{7}{9} is \frac{7}{9}.
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}