Evaluate
\frac{81}{16}=5.0625
Factor
\frac{3 ^ {4}}{2 ^ {4}} = 5\frac{1}{16} = 5.0625
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\frac{16+5}{16}+\frac{3\times 4+3}{4}
Multiply 1 and 16 to get 16.
\frac{21}{16}+\frac{3\times 4+3}{4}
Add 16 and 5 to get 21.
\frac{21}{16}+\frac{12+3}{4}
Multiply 3 and 4 to get 12.
\frac{21}{16}+\frac{15}{4}
Add 12 and 3 to get 15.
\frac{21}{16}+\frac{60}{16}
Least common multiple of 16 and 4 is 16. Convert \frac{21}{16} and \frac{15}{4} to fractions with denominator 16.
\frac{21+60}{16}
Since \frac{21}{16} and \frac{60}{16} have the same denominator, add them by adding their numerators.
\frac{81}{16}
Add 21 and 60 to get 81.
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}