Evaluate
\frac{9}{4}=2.25
Factor
\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2.25
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\frac{-9\times 15}{10\left(-6\right)}
Divide \frac{-9}{10} by \frac{-6}{15} by multiplying \frac{-9}{10} by the reciprocal of \frac{-6}{15}.
\frac{-3\times 3}{-2\times 2}
Cancel out 3\times 5 in both numerator and denominator.
\frac{-9}{-2\times 2}
Multiply -3 and 3 to get -9.
\frac{-9}{-4}
Multiply -2 and 2 to get -4.
\frac{9}{4}
Fraction \frac{-9}{-4} can be simplified to \frac{9}{4} by removing the negative sign from both the numerator and the denominator.
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}