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Write the repeating decimal as a fraction.\newline0.5515515510.551551551

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Q. Write the repeating decimal as a fraction.\newline0.5515515510.551551551
  1. Identify Repeating Pattern: Let's identify the repeating pattern in the decimal. The repeating pattern is 551"551".
  2. Convert to Fraction: To convert the repeating decimal to a fraction, let's denote the repeating decimal as xx:x=0.551551551x = 0.551551551\ldots
  3. Isolate Repeating Part: To isolate the repeating part, we multiply xx by 10001000 because there are three digits in the repeating pattern:\newline1000x=551.5515511000x = 551.551551\ldots
  4. Subtract Decimal: Now, we subtract the original xx from 1000x1000x to get rid of the decimal part:\newline1000xx=551.551551...0.551551551...1000x - x = 551.551551... - 0.551551551...
  5. Solve for x: Perform the subtraction: 999x=551999x = 551
  6. Simplify Fraction: Now, we solve for xx by dividing both sides of the equation by 999999:x=551999x = \frac{551}{999}
  7. Simplify Fraction: Now, we solve for xx by dividing both sides of the equation by 999999:x=551999x = \frac{551}{999}We can simplify the fraction by looking for the greatest common divisor (GCD) of 551551 and 999999. The GCD of 551551 and 999999 is 11, so the fraction is already in its simplest form.

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