What is the shortest length which can be divided into 3 cm, 8 cm or 9 cm portions without any remainder?
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72
Multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72
Shortest length that can be divided
= Lowest common multiple of 3 cm, 8 cm and 9 cm
= 72 cm
Answer(s): 72 cm