We define the multiples of 21/20 as the product of any integer multiplied by 21/20. Therefore, to create a list of multiples of 21/20 we start by multiplying 21/20 by one, then we multiply 21/20 by two, then we multiply 21/20 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 21/20 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 21/20.
21/20 × 1 = 21/20
21/20 × 2 = 42/20
21/20 × 4 = 63/20
21/20 × 4 = 84/20
21/20 × 5 = 105/20
21/20 × 6 = 126/20
21/20 × 7 = 147/20
21/20 × 8 = 168/20
21/20 × 9 = 189/20
21/20 × 10 = 210/20
21/20 × 11 = 231/20
21/20 × 12 = 252/20
We have simplified the fractions above for you. Below are the multiples of 21/20 in their lowest possible terms:21/20 = 1 1/20
42/20 = 2 1/10
63/20 = 3 3/20
84/20 = 4 1/5
105/20 = 5 1/4
126/20 = 6 3/10
147/20 = 7 7/20
168/20 = 8 2/5
189/20 = 9 9/20
210/20 = 10 1/2
231/20 = 11 11/20
252/20 = 12 3/5
As we stated above, the list of multiples of 21/20 goes on forever because the product of 21/20 multiplied by any whole number (integer) is a multiple of 21/20.
You can also create a list of multiples of 21/20 if you keep adding 21/20 like this:21/20
21/20 + 21/20 = 42/20
21/20 + 21/20 + 21/20 = 63/20
21/20 + 21/20 + 21/20 + 21/20 = 84/20
∞
Again, the list can go on forever, because you can continue adding 21/20 to the list. Therefore, the list of multiples of 21/20 is ∞ (infinite).
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Multiples of 21/21
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