Evaluate
\frac{82}{11}\approx 7.454545455
Factor
\frac{2 \cdot 41}{11} = 7\frac{5}{11} = 7.454545454545454
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\frac{242+4}{11}-\frac{11\times 11+7}{11}-\frac{3\times 11+3}{11}
Multiply 22 and 11 to get 242.
\frac{246}{11}-\frac{11\times 11+7}{11}-\frac{3\times 11+3}{11}
Add 242 and 4 to get 246.
\frac{246}{11}-\frac{121+7}{11}-\frac{3\times 11+3}{11}
Multiply 11 and 11 to get 121.
\frac{246}{11}-\frac{128}{11}-\frac{3\times 11+3}{11}
Add 121 and 7 to get 128.
\frac{246-128}{11}-\frac{3\times 11+3}{11}
Since \frac{246}{11} and \frac{128}{11} have the same denominator, subtract them by subtracting their numerators.
\frac{118}{11}-\frac{3\times 11+3}{11}
Subtract 128 from 246 to get 118.
\frac{118}{11}-\frac{33+3}{11}
Multiply 3 and 11 to get 33.
\frac{118}{11}-\frac{36}{11}
Add 33 and 3 to get 36.
\frac{118-36}{11}
Since \frac{118}{11} and \frac{36}{11} have the same denominator, subtract them by subtracting their numerators.
\frac{82}{11}
Subtract 36 from 118 to get 82.
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}