Evaluate
\frac{9}{4}=2.25
Factor
\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2.25
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\frac{2}{3}+\frac{1}{2}\times \frac{5}{2}+\frac{1}{3}
Divide \frac{1}{2} by \frac{2}{5} by multiplying \frac{1}{2} by the reciprocal of \frac{2}{5}.
\frac{2}{3}+\frac{1\times 5}{2\times 2}+\frac{1}{3}
Multiply \frac{1}{2} times \frac{5}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{3}+\frac{5}{4}+\frac{1}{3}
Do the multiplications in the fraction \frac{1\times 5}{2\times 2}.
\frac{8}{12}+\frac{15}{12}+\frac{1}{3}
Least common multiple of 3 and 4 is 12. Convert \frac{2}{3} and \frac{5}{4} to fractions with denominator 12.
\frac{8+15}{12}+\frac{1}{3}
Since \frac{8}{12} and \frac{15}{12} have the same denominator, add them by adding their numerators.
\frac{23}{12}+\frac{1}{3}
Add 8 and 15 to get 23.
\frac{23}{12}+\frac{4}{12}
Least common multiple of 12 and 3 is 12. Convert \frac{23}{12} and \frac{1}{3} to fractions with denominator 12.
\frac{23+4}{12}
Since \frac{23}{12} and \frac{4}{12} have the same denominator, add them by adding their numerators.
\frac{27}{12}
Add 23 and 4 to get 27.
\frac{9}{4}
Reduce the fraction \frac{27}{12} to lowest terms by extracting and canceling out 3.
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}