for any given simple repeating decimal (meaning the decimal place only has the repeating pattern) you can write any repeating decimal as
(repeating digits) / (number of digits in 9s)
example, 0.12345 = 12345 / 99999
what's so special about 9 as a denominator?
(repeating digits) / (number of digits in 9s)
example, 0.12345 = 12345 / 99999
what's so special about 9 as a denominator?
