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0.15384615384615385 As A Fraction

Repeating Decimal to Fraction Conversion:

\[ 0.\overline{153846} = \frac{2}{13} \]

(repeating pattern marked)

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1. What is 0.153846 Repeating?

The decimal 0.153846153846... with "153846" repeating infinitely is exactly equal to the fraction 2/13. This is an example of a repeating decimal where the repeating sequence has 6 digits.

2. Conversion Method

To convert 0.153846 repeating to a fraction:

\[ x = 0.\overline{153846} \] \[ 1000000x = 153846.\overline{153846} \] \[ 999999x = 153846 \] \[ x = \frac{153846}{999999} = \frac{2}{13} \]

Explanation: By multiplying by 10^6 (since the repeating pattern has 6 digits) and subtracting the original equation, we eliminate the repeating part.

3. Mathematical Proof

Verification: Dividing 2 by 13 indeed produces 0.153846153846... The pattern repeats every 6 digits.

4. Using the Calculator

Note: This calculator is specifically designed for the 0.153846 repeating pattern. For other repeating decimals, a more general calculator would be needed.

5. Frequently Asked Questions (FAQ)

Q1: Why does 2/13 produce this repeating pattern?
A: The repeating pattern occurs because 13 doesn't divide evenly into any power of 10, creating a repeating decimal with a cycle length of 6.

Q2: Can all repeating decimals be converted to fractions?
A: Yes, all repeating decimals represent exact fractions of integers.

Q3: How can I recognize other fractions from their decimal patterns?
A: The length of the repeating pattern often relates to the denominator minus 1 (for primes that don't divide 10).

Q4: What's special about 2/13's decimal representation?
A: It has one of the longest repeating cycles for denominators less than 20.

Q5: Are there calculators for other repeating decimals?
A: Yes, general repeating decimal calculators can handle any repeating pattern.

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