Evaluate
\frac{115}{6}\approx 19.166666667
Factor
\frac{5 \cdot 23}{2 \cdot 3} = 19\frac{1}{6} = 19.166666666666668
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2+\frac{3}{18}-7+12\times 2
Multiply 6 and 3 to get 18.
2+\frac{1}{6}-7+12\times 2
Reduce the fraction \frac{3}{18} to lowest terms by extracting and canceling out 3.
\frac{12}{6}+\frac{1}{6}-7+12\times 2
Convert 2 to fraction \frac{12}{6}.
\frac{12+1}{6}-7+12\times 2
Since \frac{12}{6} and \frac{1}{6} have the same denominator, add them by adding their numerators.
\frac{13}{6}-7+12\times 2
Add 12 and 1 to get 13.
\frac{13}{6}-\frac{42}{6}+12\times 2
Convert 7 to fraction \frac{42}{6}.
\frac{13-42}{6}+12\times 2
Since \frac{13}{6} and \frac{42}{6} have the same denominator, subtract them by subtracting their numerators.
-\frac{29}{6}+12\times 2
Subtract 42 from 13 to get -29.
-\frac{29}{6}+24
Multiply 12 and 2 to get 24.
-\frac{29}{6}+\frac{144}{6}
Convert 24 to fraction \frac{144}{6}.
\frac{-29+144}{6}
Since -\frac{29}{6} and \frac{144}{6} have the same denominator, add them by adding their numerators.
\frac{115}{6}
Add -29 and 144 to get 115.
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}