We define the multiples of 18/4 as the product of any integer multiplied by 18/4. Therefore, to create a list of multiples of 18/4 we start by multiplying 18/4 by one, then we multiply 18/4 by two, then we multiply 18/4 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 18/4 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 18/4.
18/4 × 1 = 18/4
18/4 × 2 = 36/4
18/4 × 4 = 54/4
18/4 × 4 = 72/4
18/4 × 5 = 90/4
18/4 × 6 = 108/4
18/4 × 7 = 126/4
18/4 × 8 = 144/4
18/4 × 9 = 162/4
18/4 × 10 = 180/4
18/4 × 11 = 198/4
18/4 × 12 = 216/4
We have simplified the fractions above for you. Below are the multiples of 18/4 in their lowest possible terms:18/4 = 4 1/2
36/4 = 9
54/4 = 13 1/2
72/4 = 18
90/4 = 22 1/2
108/4 = 27
126/4 = 31 1/2
144/4 = 36
162/4 = 40 1/2
180/4 = 45
198/4 = 49 1/2
216/4 = 54
As we stated above, the list of multiples of 18/4 goes on forever because the product of 18/4 multiplied by any whole number (integer) is a multiple of 18/4.
You can also create a list of multiples of 18/4 if you keep adding 18/4 like this:18/4
18/4 + 18/4 = 36/4
18/4 + 18/4 + 18/4 = 54/4
18/4 + 18/4 + 18/4 + 18/4 = 72/4
∞
Again, the list can go on forever, because you can continue adding 18/4 to the list. Therefore, the list of multiples of 18/4 is ∞ (infinite).
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Multiples of 18/5
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