When writing 3. as a ratio of integers, what is the common ratio?

3.727272... is equal to 3 + 0.727272...

First, we need to find the common ratio for 0.727272..
For an instance, a = 0.727272...
There are 2 repetitive numbers, seven and two. Multiply the decimal fraction by 100.
(Note: if there is only 1 repetitive number, multiply by 10. if there are 3 repetitive numbers, multiply by 1000 and so on)

100a = 72.727272...
      a =   0.727272...
-------------------------- - (substract)
 99a = 72
     a = 
     a = 
The common ratio for 0.727272.. is

Second, find the common ratio for 3.727272...
3.727272...
= 3 + 0.727272...
= 3 +
=
=
The common ratio for 3.727272.. is

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