Answer:
LCM = 117
Step-by-step explanation:1. Find the prime factorization of 9. 9 = 3 x 3 2. find the prime factorization of 13. 13 = 13 3. Multiply each factor the greater number of times it occurs in steps 1) or 2) above to find the lcm: 3 x 3 x 13 = 117. Hope it helped.