Respuesta :

r3t40

By dismantling

14 = 7 • 2

21 = 7 • 3

The least common multiple is

7 • 2 • 3 = 42

Hope this helps.

Answer:

Step-by-step explanation:

14 = 2 * 7

21 = 3 * 7

Least common multiple  = 7 * 2 *3  = 42