What is the common denominator of 6 8 and 19?

Answer 1

You can use any common multiple which are the multiples of their lowest common multiple, namely any of:

456, 912, 1368, 1824, 2280, 2736, 3192, 3648, 4104, 4560, 5016, 5472, 5928, 6384, 6840, 7296, 7752, 8208, 8664, 9120, 9576, 10032, 10488, 10944, 11400, 11856, 12312, 12768, 13224, 13680, 14136, 14592, 15048, 15504, 15960, 16416, 16872, 17328, 17784, 18240, 18696, 19152, 19608, 20064, 20520, 20976, 21432, 21888, 22344, 22800, 23256, 23712, 24168, 24624, 25080, 25536, 25992, 26448, 26904, 27360, 27816, 28272, 28728, 29184, 29640, 30096, 30552, 31008, 31464, 31920, 32376, 32832, 33288, 33744, 34200, 34656, 35112, 35568, 36024, 36480, 36936, 37392, 37848, 38304, 38760, 39216, 39672, 40128, 40584, 41040, 41496, 41952, 42408, 42864, 43320, 43776, 44232, 44688, 45144, 45600, ...