We define the multiples of 90/80 as the product of any integer multiplied by 90/80. Therefore, to create a list of multiples of 90/80 we start by multiplying 90/80 by one, then we multiply 90/80 by two, then we multiply 90/80 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 90/80 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 90/80.
90/80 × 1 = 90/80
90/80 × 2 = 180/80
90/80 × 4 = 270/80
90/80 × 4 = 360/80
90/80 × 5 = 450/80
90/80 × 6 = 540/80
90/80 × 7 = 630/80
90/80 × 8 = 720/80
90/80 × 9 = 810/80
90/80 × 10 = 900/80
90/80 × 11 = 990/80
90/80 × 12 = 1080/80
We have simplified the fractions above for you. Below are the multiples of 90/80 in their lowest possible terms:90/80 = 1 1/8
180/80 = 2 1/4
270/80 = 3 3/8
360/80 = 4 1/2
450/80 = 5 5/8
540/80 = 6 3/4
630/80 = 7 7/8
720/80 = 9
810/80 = 10 1/8
900/80 = 11 1/4
990/80 = 12 3/8
1080/80 = 13 1/2
As we stated above, the list of multiples of 90/80 goes on forever because the product of 90/80 multiplied by any whole number (integer) is a multiple of 90/80.
You can also create a list of multiples of 90/80 if you keep adding 90/80 like this:90/80
90/80 + 90/80 = 180/80
90/80 + 90/80 + 90/80 = 270/80
90/80 + 90/80 + 90/80 + 90/80 = 360/80
∞
Again, the list can go on forever, because you can continue adding 90/80 to the list. Therefore, the list of multiples of 90/80 is ∞ (infinite).
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Multiples of 90/81
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