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Turn Repeating Decimal To Fraction Calculator

Repeating Decimal to Fraction Conversion:

\[ x = 0.\overline{dddd} \Rightarrow \text{Fraction} = \frac{d}{10^n - 1} \]

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1. What is Repeating Decimal to Fraction Conversion?

Repeating decimal to fraction conversion is the process of converting an infinitely repeating decimal number (like 0.333...) into its exact fractional equivalent (like 1/3). This is particularly useful in mathematics to work with exact values rather than decimal approximations.

2. How Does the Calculator Work?

The calculator uses the following mathematical principle:

\[ x = 0.\overline{dddd} \Rightarrow \text{Fraction} = \frac{d}{10^n - 1} \]

Where:

Example: For 0.333..., d=3 and n=1, so fraction = 3/(10^1 - 1) = 3/9 = 1/3

3. Importance of Decimal-Fraction Conversion

Details: Converting repeating decimals to exact fractions is essential for precise mathematical calculations, avoiding rounding errors, and understanding the exact value represented by the decimal.

4. Using the Calculator

Tips: Enter the repeating decimal in either format: 0.333... or 0.(3). The calculator will automatically detect the repeating pattern and convert it to a simplified fraction.

5. Frequently Asked Questions (FAQ)

Q1: What formats does the calculator accept?
A: It accepts both 0.333... and 0.(3) formats for repeating decimals.

Q2: Can it handle non-repeating decimals?
A: No, this calculator is specifically for repeating decimals. For terminating decimals, use standard decimal to fraction conversion.

Q3: What about decimals with non-repeating and repeating parts?
A: The calculator currently handles simple repeating decimals. For mixed decimals like 0.1333..., additional steps are needed.

Q4: How accurate is the conversion?
A: The conversion is mathematically exact, not an approximation.

Q5: What's the maximum length of repeating sequence it can handle?
A: The calculator can handle reasonably long repeating sequences, but extremely long ones may cause performance issues.

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