Evaluate
\frac{56}{9}\approx 6.222222222
Factor
\frac{2 ^ {3} \cdot 7}{3 ^ {2}} = 6\frac{2}{9} = 6.222222222222222
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16\times \frac{9}{16}+2\times \left(\frac{1}{3}\right)^{2}-3
Calculate \frac{3}{4} to the power of 2 and get \frac{9}{16}.
9+2\times \left(\frac{1}{3}\right)^{2}-3
Cancel out 16 and 16.
9+2\times \frac{1}{9}-3
Calculate \frac{1}{3} to the power of 2 and get \frac{1}{9}.
9+\frac{2}{9}-3
Multiply 2 and \frac{1}{9} to get \frac{2}{9}.
\frac{81}{9}+\frac{2}{9}-3
Convert 9 to fraction \frac{81}{9}.
\frac{81+2}{9}-3
Since \frac{81}{9} and \frac{2}{9} have the same denominator, add them by adding their numerators.
\frac{83}{9}-3
Add 81 and 2 to get 83.
\frac{83}{9}-\frac{27}{9}
Convert 3 to fraction \frac{27}{9}.
\frac{83-27}{9}
Since \frac{83}{9} and \frac{27}{9} have the same denominator, subtract them by subtracting their numerators.
\frac{56}{9}
Subtract 27 from 83 to get 56.
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}