Evaluate
\frac{9}{4}=2.25
Factor
\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2.25
Quiz
Arithmetic
5 problems similar to:
- \frac { 6 } { 8 } - ( - \frac { 7 } { 2 } ) - \frac { 3 } { 6 } =
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-\frac{3}{4}-\left(-\frac{7}{2}\right)-\frac{3}{6}
Reduce the fraction \frac{6}{8} to lowest terms by extracting and canceling out 2.
-\frac{3}{4}+\frac{7}{2}-\frac{3}{6}
The opposite of -\frac{7}{2} is \frac{7}{2}.
-\frac{3}{4}+\frac{14}{4}-\frac{3}{6}
Least common multiple of 4 and 2 is 4. Convert -\frac{3}{4} and \frac{7}{2} to fractions with denominator 4.
\frac{-3+14}{4}-\frac{3}{6}
Since -\frac{3}{4} and \frac{14}{4} have the same denominator, add them by adding their numerators.
\frac{11}{4}-\frac{3}{6}
Add -3 and 14 to get 11.
\frac{11}{4}-\frac{1}{2}
Reduce the fraction \frac{3}{6} to lowest terms by extracting and canceling out 3.
\frac{11}{4}-\frac{2}{4}
Least common multiple of 4 and 2 is 4. Convert \frac{11}{4} and \frac{1}{2} to fractions with denominator 4.
\frac{11-2}{4}
Since \frac{11}{4} and \frac{2}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{9}{4}
Subtract 2 from 11 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}