Evaluate
4.315
Factor
\frac{863}{2 ^ {3} \cdot 5 ^ {2}} = 4\frac{63}{200} = 4.315
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\frac{\frac{517.8}{280}\times 7}{3}
Multiply 8.63 and 60 to get 517.8.
\frac{\frac{5178}{2800}\times 7}{3}
Expand \frac{517.8}{280} by multiplying both numerator and the denominator by 10.
\frac{\frac{2589}{1400}\times 7}{3}
Reduce the fraction \frac{5178}{2800} to lowest terms by extracting and canceling out 2.
\frac{\frac{2589\times 7}{1400}}{3}
Express \frac{2589}{1400}\times 7 as a single fraction.
\frac{\frac{18123}{1400}}{3}
Multiply 2589 and 7 to get 18123.
\frac{\frac{2589}{200}}{3}
Reduce the fraction \frac{18123}{1400} to lowest terms by extracting and canceling out 7.
\frac{2589}{200\times 3}
Express \frac{\frac{2589}{200}}{3} as a single fraction.
\frac{2589}{600}
Multiply 200 and 3 to get 600.
\frac{863}{200}
Reduce the fraction \frac{2589}{600} to lowest terms by extracting and canceling out 3.
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}