Evaluate
\frac{19}{75}\approx 0.253333333
Factor
\frac{19}{3 \cdot 5 ^ {2}} = 0.25333333333333335
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\frac{\frac{16}{2}+\frac{3}{2}}{5\times \frac{3}{\frac{2}{5}}}
Convert 8 to fraction \frac{16}{2}.
\frac{\frac{16+3}{2}}{5\times \frac{3}{\frac{2}{5}}}
Since \frac{16}{2} and \frac{3}{2} have the same denominator, add them by adding their numerators.
\frac{\frac{19}{2}}{5\times \frac{3}{\frac{2}{5}}}
Add 16 and 3 to get 19.
\frac{\frac{19}{2}}{5\times 3\times \frac{5}{2}}
Divide 3 by \frac{2}{5} by multiplying 3 by the reciprocal of \frac{2}{5}.
\frac{\frac{19}{2}}{5\times \frac{3\times 5}{2}}
Express 3\times \frac{5}{2} as a single fraction.
\frac{\frac{19}{2}}{5\times \frac{15}{2}}
Multiply 3 and 5 to get 15.
\frac{\frac{19}{2}}{\frac{5\times 15}{2}}
Express 5\times \frac{15}{2} as a single fraction.
\frac{\frac{19}{2}}{\frac{75}{2}}
Multiply 5 and 15 to get 75.
\frac{19}{2}\times \frac{2}{75}
Divide \frac{19}{2} by \frac{75}{2} by multiplying \frac{19}{2} by the reciprocal of \frac{75}{2}.
\frac{19\times 2}{2\times 75}
Multiply \frac{19}{2} times \frac{2}{75} by multiplying numerator times numerator and denominator times denominator.
\frac{19}{75}
Cancel out 2 in both numerator and denominator.
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}