We define the multiples of 21/30 as the product of any integer multiplied by 21/30. Therefore, to create a list of multiples of 21/30 we start by multiplying 21/30 by one, then we multiply 21/30 by two, then we multiply 21/30 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 21/30 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 21/30.
21/30 × 1 = 21/30
21/30 × 2 = 42/30
21/30 × 4 = 63/30
21/30 × 4 = 84/30
21/30 × 5 = 105/30
21/30 × 6 = 126/30
21/30 × 7 = 147/30
21/30 × 8 = 168/30
21/30 × 9 = 189/30
21/30 × 10 = 210/30
21/30 × 11 = 231/30
21/30 × 12 = 252/30
We have simplified the fractions above for you. Below are the multiples of 21/30 in their lowest possible terms:21/30 = 7/10
42/30 = 1 2/5
63/30 = 2 1/10
84/30 = 2 4/5
105/30 = 3 1/2
126/30 = 4 1/5
147/30 = 4 9/10
168/30 = 5 3/5
189/30 = 6 3/10
210/30 = 7
231/30 = 7 7/10
252/30 = 8 2/5
As we stated above, the list of multiples of 21/30 goes on forever because the product of 21/30 multiplied by any whole number (integer) is a multiple of 21/30.
You can also create a list of multiples of 21/30 if you keep adding 21/30 like this:21/30
21/30 + 21/30 = 42/30
21/30 + 21/30 + 21/30 = 63/30
21/30 + 21/30 + 21/30 + 21/30 = 84/30
∞
Again, the list can go on forever, because you can continue adding 21/30 to the list. Therefore, the list of multiples of 21/30 is ∞ (infinite).
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Multiples of 21/31
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