Evaluate
-\frac{7}{34}\approx -0.205882353
Factor
-\frac{7}{34} = -0.20588235294117646
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\frac{1}{2\times \frac{1}{14}-5}
Reduce the fraction \frac{5}{70} to lowest terms by extracting and canceling out 5.
\frac{1}{\frac{2}{14}-5}
Multiply 2 and \frac{1}{14} to get \frac{2}{14}.
\frac{1}{\frac{1}{7}-5}
Reduce the fraction \frac{2}{14} to lowest terms by extracting and canceling out 2.
\frac{1}{\frac{1}{7}-\frac{35}{7}}
Convert 5 to fraction \frac{35}{7}.
\frac{1}{\frac{1-35}{7}}
Since \frac{1}{7} and \frac{35}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{-\frac{34}{7}}
Subtract 35 from 1 to get -34.
1\left(-\frac{7}{34}\right)
Divide 1 by -\frac{34}{7} by multiplying 1 by the reciprocal of -\frac{34}{7}.
-\frac{7}{34}
Multiply 1 and -\frac{7}{34} to get -\frac{7}{34}.
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}