Evaluate
\frac{9}{4}=2.25
Factor
\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2.25
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\frac{\left(3+\frac{1}{2}\right)\times 3}{\left(2+\frac{1}{3}\right)\times 2}
Divide \frac{3+\frac{1}{2}}{2+\frac{1}{3}} by \frac{2}{3} by multiplying \frac{3+\frac{1}{2}}{2+\frac{1}{3}} by the reciprocal of \frac{2}{3}.
\frac{\left(\frac{6}{2}+\frac{1}{2}\right)\times 3}{\left(2+\frac{1}{3}\right)\times 2}
Convert 3 to fraction \frac{6}{2}.
\frac{\frac{6+1}{2}\times 3}{\left(2+\frac{1}{3}\right)\times 2}
Since \frac{6}{2} and \frac{1}{2} have the same denominator, add them by adding their numerators.
\frac{\frac{7}{2}\times 3}{\left(2+\frac{1}{3}\right)\times 2}
Add 6 and 1 to get 7.
\frac{\frac{7\times 3}{2}}{\left(2+\frac{1}{3}\right)\times 2}
Express \frac{7}{2}\times 3 as a single fraction.
\frac{\frac{21}{2}}{\left(2+\frac{1}{3}\right)\times 2}
Multiply 7 and 3 to get 21.
\frac{\frac{21}{2}}{\left(\frac{6}{3}+\frac{1}{3}\right)\times 2}
Convert 2 to fraction \frac{6}{3}.
\frac{\frac{21}{2}}{\frac{6+1}{3}\times 2}
Since \frac{6}{3} and \frac{1}{3} have the same denominator, add them by adding their numerators.
\frac{\frac{21}{2}}{\frac{7}{3}\times 2}
Add 6 and 1 to get 7.
\frac{\frac{21}{2}}{\frac{7\times 2}{3}}
Express \frac{7}{3}\times 2 as a single fraction.
\frac{\frac{21}{2}}{\frac{14}{3}}
Multiply 7 and 2 to get 14.
\frac{21}{2}\times \frac{3}{14}
Divide \frac{21}{2} by \frac{14}{3} by multiplying \frac{21}{2} by the reciprocal of \frac{14}{3}.
\frac{21\times 3}{2\times 14}
Multiply \frac{21}{2} times \frac{3}{14} by multiplying numerator times numerator and denominator times denominator.
\frac{63}{28}
Do the multiplications in the fraction \frac{21\times 3}{2\times 14}.
\frac{9}{4}
Reduce the fraction \frac{63}{28} to lowest terms by extracting and canceling out 7.
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}