Evaluate
\frac{19}{168}\approx 0.113095238
Factor
\frac{19}{2 ^ {3} \cdot 3 \cdot 7} = 0.1130952380952381
Share
Copied to clipboard
\frac{1}{6}\left(\frac{\frac{2}{5}}{\frac{7\times 2}{3\times 5}}+\frac{1}{4}\right)
Multiply \frac{7}{3} times \frac{2}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{1}{6}\left(\frac{\frac{2}{5}}{\frac{14}{15}}+\frac{1}{4}\right)
Do the multiplications in the fraction \frac{7\times 2}{3\times 5}.
\frac{1}{6}\left(\frac{2}{5}\times \frac{15}{14}+\frac{1}{4}\right)
Divide \frac{2}{5} by \frac{14}{15} by multiplying \frac{2}{5} by the reciprocal of \frac{14}{15}.
\frac{1}{6}\left(\frac{2\times 15}{5\times 14}+\frac{1}{4}\right)
Multiply \frac{2}{5} times \frac{15}{14} by multiplying numerator times numerator and denominator times denominator.
\frac{1}{6}\left(\frac{30}{70}+\frac{1}{4}\right)
Do the multiplications in the fraction \frac{2\times 15}{5\times 14}.
\frac{1}{6}\left(\frac{3}{7}+\frac{1}{4}\right)
Reduce the fraction \frac{30}{70} to lowest terms by extracting and canceling out 10.
\frac{1}{6}\left(\frac{12}{28}+\frac{7}{28}\right)
Least common multiple of 7 and 4 is 28. Convert \frac{3}{7} and \frac{1}{4} to fractions with denominator 28.
\frac{1}{6}\times \frac{12+7}{28}
Since \frac{12}{28} and \frac{7}{28} have the same denominator, add them by adding their numerators.
\frac{1}{6}\times \frac{19}{28}
Add 12 and 7 to get 19.
\frac{1\times 19}{6\times 28}
Multiply \frac{1}{6} times \frac{19}{28} by multiplying numerator times numerator and denominator times denominator.
\frac{19}{168}
Do the multiplications in the fraction \frac{1\times 19}{6\times 28}.
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}