Evaluate
\frac{4}{7}\approx 0.571428571
Factor
\frac{2 ^ {2}}{7} = 0.5714285714285714
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\frac{\frac{2}{3}}{\frac{1}{6}+7^{0}}
Calculate 6 to the power of -1 and get \frac{1}{6}.
\frac{\frac{2}{3}}{\frac{1}{6}+1}
Calculate 7 to the power of 0 and get 1.
\frac{\frac{2}{3}}{\frac{7}{6}}
Add \frac{1}{6} and 1 to get \frac{7}{6}.
\frac{2}{3}\times \frac{6}{7}
Divide \frac{2}{3} by \frac{7}{6} by multiplying \frac{2}{3} by the reciprocal of \frac{7}{6}.
\frac{4}{7}
Multiply \frac{2}{3} and \frac{6}{7} to get \frac{4}{7}.
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}