Evaluate
\frac{42}{11}\approx 3.818181818
Factor
\frac{2 \cdot 3 \cdot 7}{11} = 3\frac{9}{11} = 3.8181818181818183
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\frac{55+17}{11}-\frac{5}{11}\times 6
Multiply 5 and 11 to get 55.
\frac{72}{11}-\frac{5}{11}\times 6
Add 55 and 17 to get 72.
\frac{72}{11}-\frac{5\times 6}{11}
Express \frac{5}{11}\times 6 as a single fraction.
\frac{72}{11}-\frac{30}{11}
Multiply 5 and 6 to get 30.
\frac{72-30}{11}
Since \frac{72}{11} and \frac{30}{11} have the same denominator, subtract them by subtracting their numerators.
\frac{42}{11}
Subtract 30 from 72 to get 42.
Examples
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{ 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}