Evaluate
-\frac{133}{2}=-66.5
Factor
-\frac{133}{2} = -66\frac{1}{2} = -66.5
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\frac{128+3}{4}-\frac{99\times 4+1}{4}
Multiply 32 and 4 to get 128.
\frac{131}{4}-\frac{99\times 4+1}{4}
Add 128 and 3 to get 131.
\frac{131}{4}-\frac{396+1}{4}
Multiply 99 and 4 to get 396.
\frac{131}{4}-\frac{397}{4}
Add 396 and 1 to get 397.
\frac{131-397}{4}
Since \frac{131}{4} and \frac{397}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{-266}{4}
Subtract 397 from 131 to get -266.
-\frac{133}{2}
Reduce the fraction \frac{-266}{4} to lowest terms by extracting and canceling out 2.
Examples
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{ 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}