Question

Write all the numbers less than $100$ which are common multiples of $3$ and $4$.

Answer 1

The multiples of 3 less than $100$ are $3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99$

multiples of 4 less than $100$ are $4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100$

Therefore, the common multiples less than $100$ are $12,24,36,48,60,72,84,96$