setNumerator($numerator); $this->setDenominator($denominator); } public function getDenominator(): AbstractElement { return $this->denominator; } public function getNumerator(): AbstractElement { return $this->numerator; } public function setDenominator(AbstractElement $element): self { $this->denominator = $element; return $this; } public function setNumerator(AbstractElement $element): self { $this->numerator = $element; return $this; } }