Evaluate
\frac{27}{5}=5.4
Factor
\frac{3 ^ {3}}{5} = 5\frac{2}{5} = 5.4
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\frac{4\times \frac{\frac{2}{4}+\frac{1}{4}}{1}}{\frac{1^{2}+2^{2}}{3^{2}}}
Least common multiple of 2 and 4 is 4. Convert \frac{1}{2} and \frac{1}{4} to fractions with denominator 4.
\frac{4\times \frac{\frac{2+1}{4}}{1}}{\frac{1^{2}+2^{2}}{3^{2}}}
Since \frac{2}{4} and \frac{1}{4} have the same denominator, add them by adding their numerators.
\frac{4\times \frac{\frac{3}{4}}{1}}{\frac{1^{2}+2^{2}}{3^{2}}}
Add 2 and 1 to get 3.
\frac{4\times \frac{3}{4}}{\frac{1^{2}+2^{2}}{3^{2}}}
Anything divided by one gives itself.
\frac{3}{\frac{1^{2}+2^{2}}{3^{2}}}
Cancel out 4 and 4.
\frac{3}{\frac{1+2^{2}}{3^{2}}}
Calculate 1 to the power of 2 and get 1.
\frac{3}{\frac{1+4}{3^{2}}}
Calculate 2 to the power of 2 and get 4.
\frac{3}{\frac{5}{3^{2}}}
Add 1 and 4 to get 5.
\frac{3}{\frac{5}{9}}
Calculate 3 to the power of 2 and get 9.
3\times \frac{9}{5}
Divide 3 by \frac{5}{9} by multiplying 3 by the reciprocal of \frac{5}{9}.
\frac{3\times 9}{5}
Express 3\times \frac{9}{5} as a single fraction.
\frac{27}{5}
Multiply 3 and 9 to get 27.
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}