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Solution: Equal Rational Numbers

Understand how to compare rational numbers given as strings, including those with repeating decimal parts. This lesson teaches you to convert these strings into simplified fractions and verify their equality using algebraic techniques and fraction reduction.

Statement

Given two strings s and t, each representing a non negative rational number, return true if and only if they represent the same number. The strings may use parentheses to denote the repeating part of the rational number.

A rational number can be represented using up to three parts: <IntegerPart>, <NonRepeatingPart>, and <RepeatingPart>. The number will be expressed in one of the following three formats:

  • <IntegerPart>

    • For example, 1212 ...