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Write the repeating decimal as a fraction.\newline.496496496.496496496

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Q. Write the repeating decimal as a fraction.\newline.496496496.496496496
  1. Rephrase Problem: Let's first rephrase the "How can the repeating decimal 0.4964964960.496496496\ldots be expressed as a fraction?"
  2. Identify Repeating Pattern: Identify the repeating pattern in the decimal. The digits 496496 repeat indefinitely, so we can write the decimal as 0.4964964960.496496496\ldots
  3. Assign Variable: Let xx equal the repeating decimal, so x=0.496496496x = 0.496496496\ldots
  4. Shift Decimal Point: Multiply xx by 10001000 to shift the decimal point three places to the right, since there are three digits in the repeating pattern. This gives us 1000x=496.4964964961000x = 496.496496496\ldots
  5. Subtract Original: Now subtract the original xx from 1000x1000x to eliminate the repeating decimals. This gives us 1000xx=496.496496496...0.496496496...1000x - x = 496.496496496... - 0.496496496...
  6. Solve Equation: Perform the subtraction: 1000xx=999x1000x - x = 999x and 496.496496496...0.496496496...=496496.496496496... - 0.496496496... = 496. This results in the equation 999x=496999x = 496.
  7. Divide to Simplify: Solve for xx by dividing both sides of the equation by 999999. This gives us x=496999x = \frac{496}{999}.
  8. Divide to Simplify: Solve for xx by dividing both sides of the equation by 999999. This gives us x=496999x = \frac{496}{999}.Check if the fraction 496999\frac{496}{999} can be simplified. The numbers 496496 and 999999 do not have any common factors other than 11, so the fraction is already in its simplest form.

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