public class Fraction {
  private final int num;
  private final int denom;

  public Fraction(int num, int denom) {
    this.num = num;
    this.denom = denom;
  }

  public int getNum() {
    return num;
  }

  public int getDenom() {
    return denom;
  }

  public Fraction add(Fraction other) {
    // Ignore cases where denom is 0 or other.denom is 0 or other is null. Also assume the denom are the same for both fractions
    return new Fraction(num + other.num, denom)
  }

  public Fraction subtract(Fraction other) {
    // Ignore cases where denom is 0 or other.denom is 0 or other is null. Also assume the denom are the same for both fractions
    return new Fraction(num - other.num, denom)
  }
}