We define the multiples of 21/90 as the product of any integer multiplied by 21/90. Therefore, to create a list of multiples of 21/90 we start by multiplying 21/90 by one, then we multiply 21/90 by two, then we multiply 21/90 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 21/90 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 21/90.
21/90 × 1 = 21/90
21/90 × 2 = 42/90
21/90 × 4 = 63/90
21/90 × 4 = 84/90
21/90 × 5 = 105/90
21/90 × 6 = 126/90
21/90 × 7 = 147/90
21/90 × 8 = 168/90
21/90 × 9 = 189/90
21/90 × 10 = 210/90
21/90 × 11 = 231/90
21/90 × 12 = 252/90
We have simplified the fractions above for you. Below are the multiples of 21/90 in their lowest possible terms:21/90 = 7/30
42/90 = 7/15
63/90 = 7/10
84/90 = 14/15
105/90 = 1 1/6
126/90 = 1 2/5
147/90 = 1 19/30
168/90 = 1 13/15
189/90 = 2 1/10
210/90 = 2 1/3
231/90 = 2 17/30
252/90 = 2 4/5
As we stated above, the list of multiples of 21/90 goes on forever because the product of 21/90 multiplied by any whole number (integer) is a multiple of 21/90.
You can also create a list of multiples of 21/90 if you keep adding 21/90 like this:21/90
21/90 + 21/90 = 42/90
21/90 + 21/90 + 21/90 = 63/90
21/90 + 21/90 + 21/90 + 21/90 = 84/90
∞
Again, the list can go on forever, because you can continue adding 21/90 to the list. Therefore, the list of multiples of 21/90 is ∞ (infinite).
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Multiples of 21/91
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