Evaluate
\frac{46}{15}\approx 3.066666667
Factor
\frac{2 \cdot 23}{3 \cdot 5} = 3\frac{1}{15} = 3.066666666666667
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\frac{23\times 2}{3\left(2\times 2+1\right)}
Divide \frac{23}{3} by \frac{2\times 2+1}{2} by multiplying \frac{23}{3} by the reciprocal of \frac{2\times 2+1}{2}.
\frac{46}{3\left(2\times 2+1\right)}
Multiply 23 and 2 to get 46.
\frac{46}{3\left(4+1\right)}
Multiply 2 and 2 to get 4.
\frac{46}{3\times 5}
Add 4 and 1 to get 5.
\frac{46}{15}
Multiply 3 and 5 to get 15.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}