What is the LCD of 300 and 200?

The least common denominator (LCD) of 300 and 200 is 600. To find the LCD, we determine the least common multiple (LCM) of the two numbers, which can be calculated by finding the prime factorization of each. The prime factorization of 300 is (2^2 \times 3 \times 5^2) and for 200 it is (2^3 \times 5^2). Taking the highest powers of all prime factors, the LCM is (2^3 \times 3 \times 5^2 = 600).