The number \(10 + 8\) simplifies to \(18\). A rational number is defined as any number that can be expressed as a fraction \(\frac{a}{b}\), where \(a\) and \(b\) are integers and \(b \neq 0\). Since \(18\) can be expressed as \(\frac{18}{1}\), it is a rational number.
Is the number 10+8 rational or irrational?
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