Evaluate
-\frac{28}{9}\approx -3.111111111
Factor
-\frac{28}{9} = -3\frac{1}{9} = -3.111111111111111
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\frac{-\frac{1}{3}+\frac{15}{3}}{-\frac{1}{3}-\frac{7}{6}}
Convert 5 to fraction \frac{15}{3}.
\frac{\frac{-1+15}{3}}{-\frac{1}{3}-\frac{7}{6}}
Since -\frac{1}{3} and \frac{15}{3} have the same denominator, add them by adding their numerators.
\frac{\frac{14}{3}}{-\frac{1}{3}-\frac{7}{6}}
Add -1 and 15 to get 14.
\frac{\frac{14}{3}}{-\frac{2}{6}-\frac{7}{6}}
Least common multiple of 3 and 6 is 6. Convert -\frac{1}{3} and \frac{7}{6} to fractions with denominator 6.
\frac{\frac{14}{3}}{\frac{-2-7}{6}}
Since -\frac{2}{6} and \frac{7}{6} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{14}{3}}{\frac{-9}{6}}
Subtract 7 from -2 to get -9.
\frac{\frac{14}{3}}{-\frac{3}{2}}
Reduce the fraction \frac{-9}{6} to lowest terms by extracting and canceling out 3.
\frac{14}{3}\left(-\frac{2}{3}\right)
Divide \frac{14}{3} by -\frac{3}{2} by multiplying \frac{14}{3} by the reciprocal of -\frac{3}{2}.
\frac{14\left(-2\right)}{3\times 3}
Multiply \frac{14}{3} times -\frac{2}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{-28}{9}
Do the multiplications in the fraction \frac{14\left(-2\right)}{3\times 3}.
-\frac{28}{9}
Fraction \frac{-28}{9} can be rewritten as -\frac{28}{9} 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}