Respuesta :

Answer:

90

Step-by-step explanation:

-Find the prime factorization of 9

9 = 3 × 3

-Find the prime factorization of 10

10 = 2 × 5

-Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 3 × 3 × 5

LCM = 90

Answer:

90

Step-by-step explanation: