If you count 11 as 2 instances, the digit 1 appears 18 times if you don't count 10, 19 times if you do. 10,11,12,13,14,15,16,17,18,19,21,31,41,51,61,71,81,91
0.18181818181818182
0.1818
you have to find a common multiple so the easiest way to do that is times them together. 2 5 - - - 11 x 9 99 then 11x5 and 2x9 18 55 - - 99 99 99
9,801
33 times 0.0303030303
If you count 11 as 2 instances, the digit 1 appears 18 times if you don't count 10, 19 times if you do. 10,11,12,13,14,15,16,17,18,19,21,31,41,51,61,71,81,91
0.18181818181818182
0.1818
Both 18 and 99 are divisible by 9. That is their greatest common factor.
The LCM of 18, 27, and 99 is 594
you have to find a common multiple so the easiest way to do that is times them together. 2 5 - - - 11 x 9 99 then 11x5 and 2x9 18 55 - - 99 99 99
9,801
9801
18 over 99 in simplest form is 2/11
Greatest Common Divisor (GCF) for 18 99 135 is 9.
It goes in 99/5 times.