Fraction Addition And Subtraction In PHP
Add fractions with PHP: parse input string, compute result step by step, simplify final fraction. gcd function & addFractions function used for simplification.
592. Fraction Addition and Subtraction Difficulty: Medium Topics: Math, String, Simulation Given a string expression representing an expression of fraction addition and subtraction, return the calculation result in string format. The final result should be an irreducible fraction. If your final result is an integer, change it to the format of a fraction that has a denominator 1. So in this case, 2 should be converted to 2/1. Example 1: Input: expression = "-1/2+1/2" Output: "0/1" Example 2: Input: expression = "-1/2+1/2+1/3" Output: "1/3" Example 3: Input: expression = "1/3-1/2" Output: "...