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It is: 252 which is also the LCM
252
If you mean lcm, it is 36 because 9 x 4 equals 36 and 3 x 12 equals 36.
315
28
72
LCD is y E
LCD(7, 9, 2) = 126.
LCD(7,9,13) = 7*9*13 which is 819
LCD(4, 2, 9) = 36
LCD(7, 4) = 28
For 49,57: 2793 For 4/9, 5/7: 63
63
126