Evaluate
\frac{40}{3}\approx 13.333333333
Factor
\frac{2 ^ {3} \cdot 5}{3} = 13\frac{1}{3} = 13.333333333333334
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\frac{\frac{2+1}{2}\times 16}{\frac{1\times 5+4}{5}}
Multiply 1 and 2 to get 2.
\frac{\frac{3}{2}\times 16}{\frac{1\times 5+4}{5}}
Add 2 and 1 to get 3.
\frac{\frac{3\times 16}{2}}{\frac{1\times 5+4}{5}}
Express \frac{3}{2}\times 16 as a single fraction.
\frac{\frac{48}{2}}{\frac{1\times 5+4}{5}}
Multiply 3 and 16 to get 48.
\frac{24}{\frac{1\times 5+4}{5}}
Divide 48 by 2 to get 24.
\frac{24}{\frac{5+4}{5}}
Multiply 1 and 5 to get 5.
\frac{24}{\frac{9}{5}}
Add 5 and 4 to get 9.
24\times \frac{5}{9}
Divide 24 by \frac{9}{5} by multiplying 24 by the reciprocal of \frac{9}{5}.
\frac{24\times 5}{9}
Express 24\times \frac{5}{9} as a single fraction.
\frac{120}{9}
Multiply 24 and 5 to get 120.
\frac{40}{3}
Reduce the fraction \frac{120}{9} to lowest terms by extracting and canceling out 3.
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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]
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\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}