Evaluate
-\frac{8}{3}\approx -2.666666667
Factor
-\frac{8}{3} = -2\frac{2}{3} = -2.6666666666666665
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4+\frac{4\left(-5\right)}{3\times 2}\times 3+\frac{2}{\frac{2}{3}}-2\left(\frac{1}{2}-\frac{2}{3}\right)
Multiply \frac{4}{3} times -\frac{5}{2} by multiplying numerator times numerator and denominator times denominator.
4+\frac{-20}{6}\times 3+\frac{2}{\frac{2}{3}}-2\left(\frac{1}{2}-\frac{2}{3}\right)
Do the multiplications in the fraction \frac{4\left(-5\right)}{3\times 2}.
4-\frac{10}{3}\times 3+\frac{2}{\frac{2}{3}}-2\left(\frac{1}{2}-\frac{2}{3}\right)
Reduce the fraction \frac{-20}{6} to lowest terms by extracting and canceling out 2.
4-10+\frac{2}{\frac{2}{3}}-2\left(\frac{1}{2}-\frac{2}{3}\right)
Cancel out 3 and 3.
-6+\frac{2}{\frac{2}{3}}-2\left(\frac{1}{2}-\frac{2}{3}\right)
Subtract 10 from 4 to get -6.
-6+2\times \frac{3}{2}-2\left(\frac{1}{2}-\frac{2}{3}\right)
Divide 2 by \frac{2}{3} by multiplying 2 by the reciprocal of \frac{2}{3}.
-6+3-2\left(\frac{1}{2}-\frac{2}{3}\right)
Cancel out 2 and 2.
-3-2\left(\frac{1}{2}-\frac{2}{3}\right)
Add -6 and 3 to get -3.
-3-2\left(\frac{3}{6}-\frac{4}{6}\right)
Least common multiple of 2 and 3 is 6. Convert \frac{1}{2} and \frac{2}{3} to fractions with denominator 6.
-3-2\times \frac{3-4}{6}
Since \frac{3}{6} and \frac{4}{6} have the same denominator, subtract them by subtracting their numerators.
-3-2\left(-\frac{1}{6}\right)
Subtract 4 from 3 to get -1.
-3-\frac{2\left(-1\right)}{6}
Express 2\left(-\frac{1}{6}\right) as a single fraction.
-3-\frac{-2}{6}
Multiply 2 and -1 to get -2.
-3-\left(-\frac{1}{3}\right)
Reduce the fraction \frac{-2}{6} to lowest terms by extracting and canceling out 2.
-3+\frac{1}{3}
The opposite of -\frac{1}{3} is \frac{1}{3}.
-\frac{9}{3}+\frac{1}{3}
Convert -3 to fraction -\frac{9}{3}.
\frac{-9+1}{3}
Since -\frac{9}{3} and \frac{1}{3} have the same denominator, add them by adding their numerators.
-\frac{8}{3}
Add -9 and 1 to get -8.
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}