Evaluate
-\frac{102}{145}\approx -0.703448276
Factor
-\frac{102}{145} = -0.7034482758620689
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\frac{\frac{15}{5}+\frac{2}{5}}{\frac{1}{6}-5}
Convert 3 to fraction \frac{15}{5}.
\frac{\frac{15+2}{5}}{\frac{1}{6}-5}
Since \frac{15}{5} and \frac{2}{5} have the same denominator, add them by adding their numerators.
\frac{\frac{17}{5}}{\frac{1}{6}-5}
Add 15 and 2 to get 17.
\frac{\frac{17}{5}}{\frac{1}{6}-\frac{30}{6}}
Convert 5 to fraction \frac{30}{6}.
\frac{\frac{17}{5}}{\frac{1-30}{6}}
Since \frac{1}{6} and \frac{30}{6} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{17}{5}}{-\frac{29}{6}}
Subtract 30 from 1 to get -29.
\frac{17}{5}\left(-\frac{6}{29}\right)
Divide \frac{17}{5} by -\frac{29}{6} by multiplying \frac{17}{5} by the reciprocal of -\frac{29}{6}.
\frac{17\left(-6\right)}{5\times 29}
Multiply \frac{17}{5} times -\frac{6}{29} by multiplying numerator times numerator and denominator times denominator.
\frac{-102}{145}
Do the multiplications in the fraction \frac{17\left(-6\right)}{5\times 29}.
-\frac{102}{145}
Fraction \frac{-102}{145} can be rewritten as -\frac{102}{145} by extracting the negative sign.
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}