Evaluate
\frac{9}{2}=4.5
Factor
\frac{3 ^ {2}}{2} = 4\frac{1}{2} = 4.5
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\frac{8+1}{2}\times \frac{8}{9}+\frac{\frac{5\times 3+1}{3}}{\frac{10\times 3+2}{3}}
Multiply 4 and 2 to get 8.
\frac{9}{2}\times \frac{8}{9}+\frac{\frac{5\times 3+1}{3}}{\frac{10\times 3+2}{3}}
Add 8 and 1 to get 9.
\frac{9\times 8}{2\times 9}+\frac{\frac{5\times 3+1}{3}}{\frac{10\times 3+2}{3}}
Multiply \frac{9}{2} times \frac{8}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{8}{2}+\frac{\frac{5\times 3+1}{3}}{\frac{10\times 3+2}{3}}
Cancel out 9 in both numerator and denominator.
4+\frac{\frac{5\times 3+1}{3}}{\frac{10\times 3+2}{3}}
Divide 8 by 2 to get 4.
4+\frac{\left(5\times 3+1\right)\times 3}{3\left(10\times 3+2\right)}
Divide \frac{5\times 3+1}{3} by \frac{10\times 3+2}{3} by multiplying \frac{5\times 3+1}{3} by the reciprocal of \frac{10\times 3+2}{3}.
4+\frac{1+3\times 5}{2+3\times 10}
Cancel out 3 in both numerator and denominator.
4+\frac{1+15}{2+3\times 10}
Multiply 3 and 5 to get 15.
4+\frac{16}{2+3\times 10}
Add 1 and 15 to get 16.
4+\frac{16}{2+30}
Multiply 3 and 10 to get 30.
4+\frac{16}{32}
Add 2 and 30 to get 32.
4+\frac{1}{2}
Reduce the fraction \frac{16}{32} to lowest terms by extracting and canceling out 16.
\frac{8}{2}+\frac{1}{2}
Convert 4 to fraction \frac{8}{2}.
\frac{8+1}{2}
Since \frac{8}{2} and \frac{1}{2} have the same denominator, add them by adding their numerators.
\frac{9}{2}
Add 8 and 1 to get 9.
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}