Evaluate
\frac{27}{4}=6.75
Factor
\frac{3 ^ {3}}{2 ^ {2}} = 6\frac{3}{4} = 6.75
Share
Copied to clipboard
\frac{\left(3\times 4+3\right)\times 9}{4\left(-8\right)}\left(-\frac{1\times 5+3}{5}\right)
Divide \frac{3\times 4+3}{4} by -\frac{8}{9} by multiplying \frac{3\times 4+3}{4} by the reciprocal of -\frac{8}{9}.
\frac{\left(12+3\right)\times 9}{4\left(-8\right)}\left(-\frac{1\times 5+3}{5}\right)
Multiply 3 and 4 to get 12.
\frac{15\times 9}{4\left(-8\right)}\left(-\frac{1\times 5+3}{5}\right)
Add 12 and 3 to get 15.
\frac{135}{4\left(-8\right)}\left(-\frac{1\times 5+3}{5}\right)
Multiply 15 and 9 to get 135.
\frac{135}{-32}\left(-\frac{1\times 5+3}{5}\right)
Multiply 4 and -8 to get -32.
-\frac{135}{32}\left(-\frac{5+3}{5}\right)
Fraction \frac{135}{-32} can be rewritten as -\frac{135}{32} by extracting the negative sign.
-\frac{135}{32}\left(-\frac{8}{5}\right)
Add 5 and 3 to get 8.
\frac{-135\left(-8\right)}{32\times 5}
Multiply -\frac{135}{32} times -\frac{8}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{1080}{160}
Do the multiplications in the fraction \frac{-135\left(-8\right)}{32\times 5}.
\frac{27}{4}
Reduce the fraction \frac{1080}{160} to lowest terms by extracting and canceling out 40.
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}