No. The ratio of 3 and 6 is 1:2
Yes.
Yes.
YES 3+9=12 which is multiples of 3 30+3=33 which is multiple of 3 and so on..
Yes, the least common multiple is the product of the two numbers or the lowest number that both multiples can go into.
Any multiple of 10 is also a multiple of 2.
Any multiple of 8.
The common multiples of 9 and 16 are 144, 288, 432 and so on.
Any number can be a common multiple of two or more fractions. The concept of common multiples is useful only in the context of multiples of integers.
2
All nonzero numbers have multiples. Any two numbers will have an infinite number of multiples in common. The smallest of these is known as the least common multiple, or LCM.
Common multiples of 100 and 2 include any multiple of 100.
Common multiples include any multiple of 4655.