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How do you write 0.1666660.166666 as a fraction?\newlineChoices:\newline(A) 18\frac{1}{8}\newline(B) 15\frac{1}{5}\newline(C) 13\frac{1}{3}\newline(D) 16\frac{1}{6}

Full solution

Q. How do you write 0.1666660.166666 as a fraction?\newlineChoices:\newline(A) 18\frac{1}{8}\newline(B) 15\frac{1}{5}\newline(C) 13\frac{1}{3}\newline(D) 16\frac{1}{6}
  1. Recognize as repeating decimal: Convert the decimal 0.1666660.166666 to a fraction by recognizing it as a repeating decimal. Write it as 0.1666660.166666\ldots
  2. Multiply by 10610^6: Since the decimal repeats every 66, multiply 0.166666...0.166666... by 10610^6 (10000001000000) to shift the decimal point six places to the right, resulting in 166666.666...166666.666...
  3. Set up equation: Set up the equation: 1000000x=166666.6661000000x = 166666.666\ldots where x=0.166666x = 0.166666\ldots
  4. Subtract original x: Subtract the original x from the multiplied equation: 1000000xx=166666.666...0.166666...1000000x - x = 166666.666... - 0.166666...
  5. Simplify equation: Simplify the equation: 999999x=166666.5999999x = 166666.5

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