Evaluate
\frac{168}{25}=6.72
Factor
\frac{2 ^ {3} \cdot 3 \cdot 7}{5 ^ {2}} = 6\frac{18}{25} = 6.72
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\frac{21}{25}\times 8
Reduce the fraction \frac{63}{75} to lowest terms by extracting and canceling out 3.
\frac{21\times 8}{25}
Express \frac{21}{25}\times 8 as a single fraction.
\frac{168}{25}
Multiply 21 and 8 to get 168.
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}