Evaluate
\frac{81}{5}=16.2
Factor
\frac{3 ^ {4}}{5} = 16\frac{1}{5} = 16.2
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\frac{60+45+55+35+3+6+5+4+4+5+3+7+5+6}{15}
Add 35 and 25 to get 60.
\frac{105+55+35+3+6+5+4+4+5+3+7+5+6}{15}
Add 60 and 45 to get 105.
\frac{160+35+3+6+5+4+4+5+3+7+5+6}{15}
Add 105 and 55 to get 160.
\frac{195+3+6+5+4+4+5+3+7+5+6}{15}
Add 160 and 35 to get 195.
\frac{198+6+5+4+4+5+3+7+5+6}{15}
Add 195 and 3 to get 198.
\frac{204+5+4+4+5+3+7+5+6}{15}
Add 198 and 6 to get 204.
\frac{209+4+4+5+3+7+5+6}{15}
Add 204 and 5 to get 209.
\frac{213+4+5+3+7+5+6}{15}
Add 209 and 4 to get 213.
\frac{217+5+3+7+5+6}{15}
Add 213 and 4 to get 217.
\frac{222+3+7+5+6}{15}
Add 217 and 5 to get 222.
\frac{225+7+5+6}{15}
Add 222 and 3 to get 225.
\frac{232+5+6}{15}
Add 225 and 7 to get 232.
\frac{237+6}{15}
Add 232 and 5 to get 237.
\frac{243}{15}
Add 237 and 6 to get 243.
\frac{81}{5}
Reduce the fraction \frac{243}{15} to lowest terms by extracting and canceling out 3.
Examples
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{ 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}