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<p>If you want to use division in your mathematical calculations, you’ll need the rationals <span class="inline_math">\( \mathbb{Q} \)</span>.<span class="intersentencespace"></span> The set of rational numbers corresponds to all numbers that can be expressed as <em>fractions</em> of the form <span class="inline_math">\( \frac{m}{n} \)</span> where <span class="inline_math">\( m \)</span> and <span class="inline_math">\( n \)</span> are integers, and <span class="inline_math">\( n \neq 0 \)</span>.<