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Write the repeating decimal as a fraction.\newline.368368368.368368368

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Q. Write the repeating decimal as a fraction.\newline.368368368.368368368
  1. Denote Decimal as x: Let's denote the repeating decimal 0.3683683680.368368368\ldots as xx.
    x=0.368368368x = 0.368368368\ldots
    To isolate the repeating part, we multiply xx by 10001000 because the repeating part has three digits.
    1000x=368.3683683681000x = 368.368368368\ldots
    Now, we subtract the original xx from 1000x1000x to get rid of the decimal part.
    1000xx=368.3683683680.3683683681000x - x = 368.368368368\ldots - 0.368368368\ldots
  2. Multiply by 10001000: Perform the subtraction to isolate the non-repeating part.\newline1000xx=3681000x - x = 368\newline999x=368999x = 368\newlineNow, we divide both sides by 999999 to solve for xx.\newlinex=368999x = \frac{368}{999}
  3. Subtract to Eliminate Decimal: We should check if the fraction can be simplified. However, 368368 and 999999 do not have any common factors other than 11, so the fraction is already in its simplest form.

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