since
6 = 2 * 3 <--- two factors
8 = 2 * 2 * 2 <--- three factors
and since the "2" is there on each, then we can just use that instance of it once.
so instead of using 2 * 3 * 2 * 2 * 2, we'll use 2 * 3 * 2 * 2, and that is our LCD.
2 * 3 * 2 * 2 = 24.
Answer:
7/6 or 1 1/6
Step-by-step explanation: you multiply 2 into 1/3 and 1/4 and get 2/3 and 2/4. You add 2/3 and 2/4 using lowest common denominator and get 14/12. Simplify 14/12 and get 7/6 or 1 1/6
Answer:

Step-by-step explanation:
Given
← factor the numerator and denominator
=
← cancel (x + 4 ) on numerator/ denominator
= 
18x^4-32x^2 in standard form I believe.