Evaluate
\frac{5}{2}=2.5
Factor
\frac{5}{2} = 2\frac{1}{2} = 2.5
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\frac{\left(2\times 5+4\right)\times 25}{5\left(1\times 25+3\right)}
Divide \frac{2\times 5+4}{5} by \frac{1\times 25+3}{25} by multiplying \frac{2\times 5+4}{5} by the reciprocal of \frac{1\times 25+3}{25}.
\frac{5\left(4+2\times 5\right)}{3+25}
Cancel out 5 in both numerator and denominator.
\frac{5\left(4+10\right)}{3+25}
Multiply 2 and 5 to get 10.
\frac{5\times 14}{3+25}
Add 4 and 10 to get 14.
\frac{70}{3+25}
Multiply 5 and 14 to get 70.
\frac{70}{28}
Add 3 and 25 to get 28.
\frac{5}{2}
Reduce the fraction \frac{70}{28} to lowest terms by extracting and canceling out 14.
Examples
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{ 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}