LCD(7,9,13) = 7*9*13 which is 819
The smallest multiple 3 and 9 have in common is 9. 2/3 becomes 6/9 and 5/9 does not change
63
126
The Lowest Common Multiple (LCM) of 2, 5, 7 and 9 is 630.
LCD(7, 9, 2) = 126.
the LCD of 2, 9 and 5 = 90
63
315
The least common denominator (LCD) is 630.
9 = 3^2 15 = 3 x 5 21 = 3 x 7 lcm = 3^2 x 5 x 7 = 315
72
LCD of 5, 9 and 2 = 90
3
LCD(7,9,13) = 7*9*13 which is 819
18
LCD(4, 2, 9) = 36