# How do you find the LCD for x+1 , x-3?

$1$

#### Explanation:

Least common denominator $L C D$ of given fractions

$\left(x + 1\right)$ & $\left(x - 3\right)$

$\frac{x + 1}{1}$ & $\frac{x - 3}{1}$

$L C D = 1$