We define the multiples of 20/21 as the product of any integer multiplied by 20/21. Therefore, to create a list of multiples of 20/21 we start by multiplying 20/21 by one, then we multiply 20/21 by two, then we multiply 20/21 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 20/21 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 20/21.
20/21 × 1 = 20/21
20/21 × 2 = 40/21
20/21 × 4 = 60/21
20/21 × 4 = 80/21
20/21 × 5 = 100/21
20/21 × 6 = 120/21
20/21 × 7 = 140/21
20/21 × 8 = 160/21
20/21 × 9 = 180/21
20/21 × 10 = 200/21
20/21 × 11 = 220/21
20/21 × 12 = 240/21
We have simplified the fractions above for you. Below are the multiples of 20/21 in their lowest possible terms:20/21 = 20/21
40/21 = 1 19/21
60/21 = 2 6/7
80/21 = 3 17/21
100/21 = 4 16/21
120/21 = 5 5/7
140/21 = 6 2/3
160/21 = 7 13/21
180/21 = 8 4/7
200/21 = 9 11/21
220/21 = 10 10/21
240/21 = 11 3/7
As we stated above, the list of multiples of 20/21 goes on forever because the product of 20/21 multiplied by any whole number (integer) is a multiple of 20/21.
You can also create a list of multiples of 20/21 if you keep adding 20/21 like this:20/21
20/21 + 20/21 = 40/21
20/21 + 20/21 + 20/21 = 60/21
20/21 + 20/21 + 20/21 + 20/21 = 80/21
∞
Again, the list can go on forever, because you can continue adding 20/21 to the list. Therefore, the list of multiples of 20/21 is ∞ (infinite).
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Multiples of 20/22
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