The answer is NOT A) because the LCD of A) is 30.
The answer is B) 2/3, 1/9, 1/15 because the LCD of B) is 45 and I figured out the LCD by looking at all the denominators and they all can go into 45 by multiplication and division
The answer is NOT C) because the LCD of C) is 15
The answer is NOT D) because the LCD of D) is 189