We define the multiples of 21/42 as the product of any integer multiplied by 21/42. Therefore, to create a list of multiples of 21/42 we start by multiplying 21/42 by one, then we multiply 21/42 by two, then we multiply 21/42 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 21/42 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 21/42.
21/42 × 1 = 21/42
21/42 × 2 = 42/42
21/42 × 4 = 63/42
21/42 × 4 = 84/42
21/42 × 5 = 105/42
21/42 × 6 = 126/42
21/42 × 7 = 147/42
21/42 × 8 = 168/42
21/42 × 9 = 189/42
21/42 × 10 = 210/42
21/42 × 11 = 231/42
21/42 × 12 = 252/42
We have simplified the fractions above for you. Below are the multiples of 21/42 in their lowest possible terms:21/42 = 1/2
42/42 = 1
63/42 = 1 1/2
84/42 = 2
105/42 = 2 1/2
126/42 = 3
147/42 = 3 1/2
168/42 = 4
189/42 = 4 1/2
210/42 = 5
231/42 = 5 1/2
252/42 = 6
As we stated above, the list of multiples of 21/42 goes on forever because the product of 21/42 multiplied by any whole number (integer) is a multiple of 21/42.
You can also create a list of multiples of 21/42 if you keep adding 21/42 like this:21/42
21/42 + 21/42 = 42/42
21/42 + 21/42 + 21/42 = 63/42
21/42 + 21/42 + 21/42 + 21/42 = 84/42
∞
Again, the list can go on forever, because you can continue adding 21/42 to the list. Therefore, the list of multiples of 21/42 is ∞ (infinite).
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Multiples of 21/43
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