We define the multiples of 45/20 as the product of any integer multiplied by 45/20. Therefore, to create a list of multiples of 45/20 we start by multiplying 45/20 by one, then we multiply 45/20 by two, then we multiply 45/20 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 45/20 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 45/20.
45/20 × 1 = 45/20
45/20 × 2 = 90/20
45/20 × 4 = 135/20
45/20 × 4 = 180/20
45/20 × 5 = 225/20
45/20 × 6 = 270/20
45/20 × 7 = 315/20
45/20 × 8 = 360/20
45/20 × 9 = 405/20
45/20 × 10 = 450/20
45/20 × 11 = 495/20
45/20 × 12 = 540/20
We have simplified the fractions above for you. Below are the multiples of 45/20 in their lowest possible terms:45/20 = 2 1/4
90/20 = 4 1/2
135/20 = 6 3/4
180/20 = 9
225/20 = 11 1/4
270/20 = 13 1/2
315/20 = 15 3/4
360/20 = 18
405/20 = 20 1/4
450/20 = 22 1/2
495/20 = 24 3/4
540/20 = 27
As we stated above, the list of multiples of 45/20 goes on forever because the product of 45/20 multiplied by any whole number (integer) is a multiple of 45/20.
You can also create a list of multiples of 45/20 if you keep adding 45/20 like this:45/20
45/20 + 45/20 = 90/20
45/20 + 45/20 + 45/20 = 135/20
45/20 + 45/20 + 45/20 + 45/20 = 180/20
∞
Again, the list can go on forever, because you can continue adding 45/20 to the list. Therefore, the list of multiples of 45/20 is ∞ (infinite).
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