We define the multiples of 21/80 as the product of any integer multiplied by 21/80. Therefore, to create a list of multiples of 21/80 we start by multiplying 21/80 by one, then we multiply 21/80 by two, then we multiply 21/80 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 21/80 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 21/80.
21/80 × 1 = 21/80
21/80 × 2 = 42/80
21/80 × 4 = 63/80
21/80 × 4 = 84/80
21/80 × 5 = 105/80
21/80 × 6 = 126/80
21/80 × 7 = 147/80
21/80 × 8 = 168/80
21/80 × 9 = 189/80
21/80 × 10 = 210/80
21/80 × 11 = 231/80
21/80 × 12 = 252/80
We have simplified the fractions above for you. Below are the multiples of 21/80 in their lowest possible terms:21/80 = 21/80
42/80 = 21/40
63/80 = 63/80
84/80 = 1 1/20
105/80 = 1 5/16
126/80 = 1 23/40
147/80 = 1 67/80
168/80 = 2 1/10
189/80 = 2 29/80
210/80 = 2 5/8
231/80 = 2 71/80
252/80 = 3 3/20
As we stated above, the list of multiples of 21/80 goes on forever because the product of 21/80 multiplied by any whole number (integer) is a multiple of 21/80.
You can also create a list of multiples of 21/80 if you keep adding 21/80 like this:21/80
21/80 + 21/80 = 42/80
21/80 + 21/80 + 21/80 = 63/80
21/80 + 21/80 + 21/80 + 21/80 = 84/80
∞
Again, the list can go on forever, because you can continue adding 21/80 to the list. Therefore, the list of multiples of 21/80 is ∞ (infinite).
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Multiples of 21/81
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