Evaluate
-\frac{513}{515}\approx -0.996116505
Factor
-\frac{513}{515} = -0.996116504854369
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\frac{128.25}{-128.75}
Multiply 4.75 and 27 to get 128.25.
\frac{12825}{-12875}
Expand \frac{128.25}{-128.75} by multiplying both numerator and the denominator by 100.
-\frac{513}{515}
Reduce the fraction \frac{12825}{-12875} to lowest terms by extracting and canceling out 25.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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