Evaluate
\frac{11}{3}\approx 3.666666667
Factor
\frac{11}{3} = 3\frac{2}{3} = 3.6666666666666665
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\frac{-4\left(-2\right)}{3}+1
Express -\frac{4}{3}\left(-2\right) as a single fraction.
\frac{8}{3}+1
Multiply -4 and -2 to get 8.
\frac{8}{3}+\frac{3}{3}
Convert 1 to fraction \frac{3}{3}.
\frac{8+3}{3}
Since \frac{8}{3} and \frac{3}{3} have the same denominator, add them by adding their numerators.
\frac{11}{3}
Add 8 and 3 to get 11.
Examples
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y = 3x + 4
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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}