Evaluate
\frac{207}{26}\approx 7.961538462
Factor
\frac{3 ^ {2} \cdot 23}{2 \cdot 13} = 7\frac{25}{26} = 7.961538461538462
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-\frac{1}{2}+\frac{6}{13}+8
Reduce the fraction \frac{-5}{10} to lowest terms by extracting and canceling out 5.
-\frac{13}{26}+\frac{12}{26}+8
Least common multiple of 2 and 13 is 26. Convert -\frac{1}{2} and \frac{6}{13} to fractions with denominator 26.
\frac{-13+12}{26}+8
Since -\frac{13}{26} and \frac{12}{26} have the same denominator, add them by adding their numerators.
-\frac{1}{26}+8
Add -13 and 12 to get -1.
-\frac{1}{26}+\frac{208}{26}
Convert 8 to fraction \frac{208}{26}.
\frac{-1+208}{26}
Since -\frac{1}{26} and \frac{208}{26} have the same denominator, add them by adding their numerators.
\frac{207}{26}
Add -1 and 208 to get 207.
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}