Least common denominator x/2-2/x

You have entered [src]

x   2
- - -
2   x

$$\frac{x}{2} - \frac{2}{x}$$

x/2 - 2/x

Fraction decomposition [src]

x/2 - 2/x

$$\frac{x}{2} - \frac{2}{x}$$

x   2
- - -
2   x

Combining rational expressions [src]

      2
-4 + x 
-------
  2*x

$$\frac{x^{2} - 4}{2 x}$$

(-4 + x^2)/(2*x)

Combinatorics [src]

(-2 + x)*(2 + x)
----------------
      2*x

$$\frac{\left(x - 2\right) \left(x + 2\right)}{2 x}$$

(-2 + x)*(2 + x)/(2*x)

Rational denominator [src]

      2
-4 + x 
-------
  2*x

$$\frac{x^{2} - 4}{2 x}$$

(-4 + x^2)/(2*x)

Numerical answer [src]

0.5*x - 2.0/x

0.5*x - 2.0/x