Evaluate
\frac{8}{3}\approx 2.666666667
Factor
\frac{2 ^ {3}}{3} = 2\frac{2}{3} = 2.6666666666666665
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\frac{-2}{3\times 4}+\frac{5}{3}\times \frac{1}{2}+2
Multiply -\frac{2}{3} times \frac{1}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{-2}{12}+\frac{5}{3}\times \frac{1}{2}+2
Do the multiplications in the fraction \frac{-2}{3\times 4}.
-\frac{1}{6}+\frac{5}{3}\times \frac{1}{2}+2
Reduce the fraction \frac{-2}{12} to lowest terms by extracting and canceling out 2.
-\frac{1}{6}+\frac{5\times 1}{3\times 2}+2
Multiply \frac{5}{3} times \frac{1}{2} by multiplying numerator times numerator and denominator times denominator.
-\frac{1}{6}+\frac{5}{6}+2
Do the multiplications in the fraction \frac{5\times 1}{3\times 2}.
\frac{-1+5}{6}+2
Since -\frac{1}{6} and \frac{5}{6} have the same denominator, add them by adding their numerators.
\frac{4}{6}+2
Add -1 and 5 to get 4.
\frac{2}{3}+2
Reduce the fraction \frac{4}{6} to lowest terms by extracting and canceling out 2.
\frac{2}{3}+\frac{6}{3}
Convert 2 to fraction \frac{6}{3}.
\frac{2+6}{3}
Since \frac{2}{3} and \frac{6}{3} have the same denominator, add them by adding their numerators.
\frac{8}{3}
Add 2 and 6 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}