We define the multiples of 81/20 as the product of any integer multiplied by 81/20. Therefore, to create a list of multiples of 81/20 we start by multiplying 81/20 by one, then we multiply 81/20 by two, then we multiply 81/20 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 81/20 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 81/20.
81/20 × 1 = 81/20
81/20 × 2 = 162/20
81/20 × 4 = 243/20
81/20 × 4 = 324/20
81/20 × 5 = 405/20
81/20 × 6 = 486/20
81/20 × 7 = 567/20
81/20 × 8 = 648/20
81/20 × 9 = 729/20
81/20 × 10 = 810/20
81/20 × 11 = 891/20
81/20 × 12 = 972/20
We have simplified the fractions above for you. Below are the multiples of 81/20 in their lowest possible terms:81/20 = 4 1/20
162/20 = 8 1/10
243/20 = 12 3/20
324/20 = 16 1/5
405/20 = 20 1/4
486/20 = 24 3/10
567/20 = 28 7/20
648/20 = 32 2/5
729/20 = 36 9/20
810/20 = 40 1/2
891/20 = 44 11/20
972/20 = 48 3/5
As we stated above, the list of multiples of 81/20 goes on forever because the product of 81/20 multiplied by any whole number (integer) is a multiple of 81/20.
You can also create a list of multiples of 81/20 if you keep adding 81/20 like this:81/20
81/20 + 81/20 = 162/20
81/20 + 81/20 + 81/20 = 243/20
81/20 + 81/20 + 81/20 + 81/20 = 324/20
∞
Again, the list can go on forever, because you can continue adding 81/20 to the list. Therefore, the list of multiples of 81/20 is ∞ (infinite).
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Multiples of 81/21
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