Find the lowest common denominator (LCD) of
these fractions.
3
5
8x
18x

Answer:
72x
Step-by-step explanation:
8x = 2 * 2 * 2 * x = 2³ * x
18x = 2 * 3 * 3 * x = 2 * 3² * x
LCD = 2³ * 3² * x = 8 * 9 * x = 72x