Evaluate
-\frac{16}{17}\approx -0.941176471
Factor
-\frac{16}{17} = -0.9411764705882353
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\frac{-4}{\frac{16}{4}+\frac{1}{4}}
Convert 4 to fraction \frac{16}{4}.
\frac{-4}{\frac{16+1}{4}}
Since \frac{16}{4} and \frac{1}{4} have the same denominator, add them by adding their numerators.
\frac{-4}{\frac{17}{4}}
Add 16 and 1 to get 17.
-4\times \frac{4}{17}
Divide -4 by \frac{17}{4} by multiplying -4 by the reciprocal of \frac{17}{4}.
\frac{-4\times 4}{17}
Express -4\times \frac{4}{17} as a single fraction.
\frac{-16}{17}
Multiply -4 and 4 to get -16.
-\frac{16}{17}
Fraction \frac{-16}{17} can be rewritten as -\frac{16}{17} 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}