Evaluate
\frac{7}{90}\approx 0.077777778
Factor
\frac{7}{2 \cdot 3 ^ {2} \cdot 5} = 0.07777777777777778
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\frac{1}{15}\left(-\frac{5}{4}\right)\left(-\frac{14}{15}\right)
Reduce the fraction \frac{2}{30} to lowest terms by extracting and canceling out 2.
\frac{1\left(-5\right)}{15\times 4}\left(-\frac{14}{15}\right)
Multiply \frac{1}{15} times -\frac{5}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{-5}{60}\left(-\frac{14}{15}\right)
Do the multiplications in the fraction \frac{1\left(-5\right)}{15\times 4}.
-\frac{1}{12}\left(-\frac{14}{15}\right)
Reduce the fraction \frac{-5}{60} to lowest terms by extracting and canceling out 5.
\frac{-\left(-14\right)}{12\times 15}
Multiply -\frac{1}{12} times -\frac{14}{15} by multiplying numerator times numerator and denominator times denominator.
\frac{14}{180}
Do the multiplications in the fraction \frac{-\left(-14\right)}{12\times 15}.
\frac{7}{90}
Reduce the fraction \frac{14}{180} to lowest terms by extracting and canceling out 2.
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}