subtract method

Fraction subtract(
  1. Fraction otherParsed
)

Implementation

Fraction subtract(Fraction otherParsed) {
  if (denominator == otherParsed.denominator) {
    return Fraction(numerator - otherParsed.numerator,
        denominator: denominator);
  }
  return Fraction(
      (numerator * otherParsed.denominator) -
          (otherParsed.numerator * denominator),
      denominator: denominator * otherParsed.denominator);
}