Leetcode Problem 592. Fraction Addition and Subtraction
Leetcode Solutions
Key approach of the solution: Using GCD for Fraction Addition and Subtraction
- Initialize variables to store the current result numerator and denominator (initialized to 0/1).
- Iterate through the expression, parsing each fraction and its sign.
- For each fraction, calculate the GCD of the current result denominator and the new fraction's denominator.
- Use the GCD to find the scaling factors for the numerators to get a common denominator.
- Perform the addition or subtraction operation on the scaled numerators.
- Reduce the resulting fraction by dividing both the numerator and denominator by their GCD.
- Continue this process for all fractions in the expression.
- Convert the final result to a string in the format 'numerator/denominator'.
Key approach of the solution: Using LCM for Fraction Addition and Subtraction
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