Question

Find the least common denominator for these

Answer 1

The least common factor denominator is 8x².

Solution:

Given rational expressions:

$\frac{-7}{x} \ \ \text{and} \ \ \frac{3}{8 x^{2}}$

To find the least common denominator for the rational expressions:

The denominators of the rational expressions are x and 8x².

Factor of x = x

Factor of 8x² = 8 × x × x

Least common factor of x and 8x² = x × 8 × x

                                                         = 8x²

Hence the least common factor denominator for those two rational expressions is 8x².