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## Usage To create a fraction, use the `PhpOffice\Math\Element\Fraction` class. ### Methods #### getDenominator The method has no parameter. #### getNumerator The method has no parameter. #### setDenominator The method has one parameter : * `PhpOffice\Math\Element\AbstractElement` **$element** #### setNumerator The method has one parameter : * `PhpOffice\Math\Element\AbstractElement` **$element** ## Example ### Math <math display="block"> <mfrac> <mi>a</mi> <mn>3</mn> </mfrac> </math> ### XML ``` xml <math display="block"> <mfrac> <mi>a</mi> <mn>3</mn> </mfrac> </math> ``` ### PHP ``` php <?php use PhpOffice\Math\Element; use PhpOffice\Math\Math; $math = new Math(); $fraction = new Element\Fraction(); $fraction->setDenominator(new Element\Identifier('a')); $fraction->setNumerator(new Element\Numeric(3)); $math->add($fraction); ```
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