Evaluate
\frac{5}{2}=2.5
Factor
\frac{5}{2} = 2\frac{1}{2} = 2.5
Quiz
Arithmetic
5 problems similar to:
2 \frac { 2 } { 3 } \times \frac { 3 } { 4 } + \frac { 1 } { 2 } =
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\frac{6+2}{3}\times \frac{3}{4}+\frac{1}{2}
Multiply 2 and 3 to get 6.
\frac{8}{3}\times \frac{3}{4}+\frac{1}{2}
Add 6 and 2 to get 8.
\frac{8\times 3}{3\times 4}+\frac{1}{2}
Multiply \frac{8}{3} times \frac{3}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{8}{4}+\frac{1}{2}
Cancel out 3 in both numerator and denominator.
2+\frac{1}{2}
Divide 8 by 4 to get 2.
\frac{4}{2}+\frac{1}{2}
Convert 2 to fraction \frac{4}{2}.
\frac{4+1}{2}
Since \frac{4}{2} and \frac{1}{2} have the same denominator, add them by adding their numerators.
\frac{5}{2}
Add 4 and 1 to get 5.
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}