Question

what is the L. C. M of 45 75

Answer 1

hiii,

[1] Find the prime factorization of 45
45 = 3 × 3 × 5

[2] Find the prime factorization of 75
75 = 3 × 5 × 5

[3] Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 3 × 3 × 5 × 5LCM = 225

hope helps