We define the multiples of 81/21 as the product of any integer multiplied by 81/21. Therefore, to create a list of multiples of 81/21 we start by multiplying 81/21 by one, then we multiply 81/21 by two, then we multiply 81/21 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 81/21 because the list goes on forever. However, here is the math to calculate the beginning list of multiples of 81/21.
81/21 × 1 = 81/21
81/21 × 2 = 162/21
81/21 × 4 = 243/21
81/21 × 4 = 324/21
81/21 × 5 = 405/21
81/21 × 6 = 486/21
81/21 × 7 = 567/21
81/21 × 8 = 648/21
81/21 × 9 = 729/21
81/21 × 10 = 810/21
81/21 × 11 = 891/21
81/21 × 12 = 972/21
We have simplified the fractions above for you. Below are the multiples of 81/21 in their lowest possible terms:81/21 = 3 6/7
162/21 = 7 5/7
243/21 = 11 4/7
324/21 = 15 3/7
405/21 = 19 2/7
486/21 = 23 1/7
567/21 = 27
648/21 = 30 6/7
729/21 = 34 5/7
810/21 = 38 4/7
891/21 = 42 3/7
972/21 = 46 2/7
As we stated above, the list of multiples of 81/21 goes on forever because the product of 81/21 multiplied by any whole number (integer) is a multiple of 81/21.
You can also create a list of multiples of 81/21 if you keep adding 81/21 like this:81/21
81/21 + 81/21 = 162/21
81/21 + 81/21 + 81/21 = 243/21
81/21 + 81/21 + 81/21 + 81/21 = 324/21
∞
Again, the list can go on forever, because you can continue adding 81/21 to the list. Therefore, the list of multiples of 81/21 is ∞ (infinite).
Multiples of Fractions
Do you need the multiples of another fraction? Enter a another fraction below to get the multiples of that fraction.
Multiples of 81/22
Go here for the next fraction on our list that we have multiples for.