Evaluate
\frac{28}{9}\approx 3.111111111
Factor
\frac{2 ^ {2} \cdot 7}{3 ^ {2}} = 3\frac{1}{9} = 3.111111111111111
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\frac{11}{3}-\frac{2}{3}\times \frac{5}{6}
Divide \frac{2}{3} by \frac{6}{5} by multiplying \frac{2}{3} by the reciprocal of \frac{6}{5}.
\frac{11}{3}-\frac{2\times 5}{3\times 6}
Multiply \frac{2}{3} times \frac{5}{6} by multiplying numerator times numerator and denominator times denominator.
\frac{11}{3}-\frac{10}{18}
Do the multiplications in the fraction \frac{2\times 5}{3\times 6}.
\frac{11}{3}-\frac{5}{9}
Reduce the fraction \frac{10}{18} to lowest terms by extracting and canceling out 2.
\frac{33}{9}-\frac{5}{9}
Least common multiple of 3 and 9 is 9. Convert \frac{11}{3} and \frac{5}{9} to fractions with denominator 9.
\frac{33-5}{9}
Since \frac{33}{9} and \frac{5}{9} have the same denominator, subtract them by subtracting their numerators.
\frac{28}{9}
Subtract 5 from 33 to get 28.
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}