Evaluate
\frac{9}{4}=2.25
Factor
\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2.25
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-\left(\frac{3}{4}-2\right)+1+\left(-1\right)^{3}+2\times 2-3
Divide 3 by 3 to get 1.
-\left(\frac{3}{4}-\frac{8}{4}\right)+1+\left(-1\right)^{3}+2\times 2-3
Convert 2 to fraction \frac{8}{4}.
-\frac{3-8}{4}+1+\left(-1\right)^{3}+2\times 2-3
Since \frac{3}{4} and \frac{8}{4} have the same denominator, subtract them by subtracting their numerators.
-\left(-\frac{5}{4}\right)+1+\left(-1\right)^{3}+2\times 2-3
Subtract 8 from 3 to get -5.
\frac{5}{4}+1+\left(-1\right)^{3}+2\times 2-3
The opposite of -\frac{5}{4} is \frac{5}{4}.
\frac{5}{4}+\frac{4}{4}+\left(-1\right)^{3}+2\times 2-3
Convert 1 to fraction \frac{4}{4}.
\frac{5+4}{4}+\left(-1\right)^{3}+2\times 2-3
Since \frac{5}{4} and \frac{4}{4} have the same denominator, add them by adding their numerators.
\frac{9}{4}+\left(-1\right)^{3}+2\times 2-3
Add 5 and 4 to get 9.
\frac{9}{4}-1+2\times 2-3
Calculate -1 to the power of 3 and get -1.
\frac{9}{4}-\frac{4}{4}+2\times 2-3
Convert 1 to fraction \frac{4}{4}.
\frac{9-4}{4}+2\times 2-3
Since \frac{9}{4} and \frac{4}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{5}{4}+2\times 2-3
Subtract 4 from 9 to get 5.
\frac{5}{4}+4-3
Multiply 2 and 2 to get 4.
\frac{5}{4}+\frac{16}{4}-3
Convert 4 to fraction \frac{16}{4}.
\frac{5+16}{4}-3
Since \frac{5}{4} and \frac{16}{4} have the same denominator, add them by adding their numerators.
\frac{21}{4}-3
Add 5 and 16 to get 21.
\frac{21}{4}-\frac{12}{4}
Convert 3 to fraction \frac{12}{4}.
\frac{21-12}{4}
Since \frac{21}{4} and \frac{12}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{9}{4}
Subtract 12 from 21 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}