# Differences

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arithmetic_structure_of_rational_numbers [2013/09/06 22:04] 127.0.0.1 external edit |
arithmetic_structure_of_rational_numbers [2013/09/08 14:11] nikolaj |
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We'll also often omit the multiplication sign. | We'll also often omit the multiplication sign. | ||

- | >We can also introduce numerator and denominator: | + | We can also introduce numerator and denominator: |

- | > | + | |

- | >$ \mathrm{num}\frac{a}{b}\equiv a $ | + | ^ $ \mathrm{num}\frac{a}{b}\equiv a $ ^ |

- | >$ \mathrm{den}\frac{a}{b}\equiv b $ | + | ^ $ \mathrm{den}\frac{a}{b}\equiv b $ ^ |

=== Theorems === | === Theorems === |