Question
Find a rational number between $-1$ and $\frac{1}{2}$
✓
Answer
$-1$ and $\frac{1}{2}$ Let: $\text{x}=-1$ and $\text{y}=\frac{1}{2}$ Rational number lying between x and y. $\frac{1}{2}(\text{x}+\text{y})=\frac{1}{2}\Big(-1+\frac{1}{2}\Big)$ $=-\frac{1}{4}$
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