Answer :

supervishnu04
LCD is least common denominator, also called least common multiple LCM
5/6, 2/9   LCD is 18
1/12, 3/8 LCD is 24
5/9, 2/15 LCD is 45

18, 24, and 45 are the least common multiples of the denominators for their own pair. 
:)
114

LCD is least common denominator, also called least common multiple LCM

5/6, 2/9   LCD is 18

1/12, 3/8 LCD is 24

5/9, 2/15 LCD is 45

18, 24, and 45 are the least common multiples of the denominators for their own pair.