We define the multiples of 9/21 as the product of any integer multiplied by 9/21. Therefore, to create a list of multiples of 9/21 we start by multiplying 9/21 by one, then we multiply 9/21 by two, then we multiply 9/21 by three, and so on.
To multiply a fraction by an integer, we leave the denominator alone and multiply the numerator by the integer. It is impossible to give you a list of all multiples of 9/21 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 9/21.
9/21 × 1 = 9/21
9/21 × 2 = 18/21
9/21 × 4 = 27/21
9/21 × 4 = 36/21
9/21 × 5 = 45/21
9/21 × 6 = 54/21
9/21 × 7 = 63/21
9/21 × 8 = 72/21
9/21 × 9 = 81/21
9/21 × 10 = 90/21
9/21 × 11 = 99/21
9/21 × 12 = 108/21
We have simplified the fractions above for you. Below are the multiples of 9/21 in their lowest possible terms:9/21 = 3/7
18/21 = 6/7
27/21 = 1 2/7
36/21 = 1 5/7
45/21 = 2 1/7
54/21 = 2 4/7
63/21 = 3
72/21 = 3 3/7
81/21 = 3 6/7
90/21 = 4 2/7
99/21 = 4 5/7
108/21 = 5 1/7
As we stated above, the list of multiples of 9/21 goes on forever because the product of 9/21 multiplied by any whole number (integer) is a multiple of 9/21.
You can also create a list of multiples of 9/21 if you keep adding 9/21 like this:9/21
9/21 + 9/21 = 18/21
9/21 + 9/21 + 9/21 = 27/21
9/21 + 9/21 + 9/21 + 9/21 = 36/21
∞
Again, the list can go on forever, because you can continue adding 9/21 to the list. Therefore, the list of multiples of 9/21 is ∞ (infinite).
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Multiples of 9/22
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