Mrs Kok has some balloons. She can share all the balloons equally among 3, 7 or 9 children without any remainder. What is the least possible number of balloons Mrs Kok has?
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63
Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63
Multiples of 9: 9, 18, 27, 36, 45, 54, 63
Least possible number of balloons
= Lowest common multiple of 3, 7, 9
= 63
Answer(s): 63
