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Convert the recurring decimal 0.232323… into a fraction in lowest terms.

Difficulty: Easy

Correct Answer: 23/99

Explanation:

Problem restatement
Express 0.232323… (repeating block 23) as a rational fraction.


Concept/Approach
If x = 0.232323…, then 100x = 23.232323…; subtract x to eliminate the repeating part.


Step-by-Step calculation
Let x = 0.232323…100x = 23.232323…99x = 23x = 23 / 9923/99


Verification/Alternative
23/99 = (0.23)/(0.99) ≈ 0.232323…; irreducible since 23 is prime and does not divide 99.


Common pitfalls
Writing 23/90 (incorrect denominator for a two-digit repetend; it must be 99).


Final Answer
23/99

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