# Chapter 1-2 - Cumulative Review: 2

$\dfrac{3}{4}$

#### Work Step by Step

The given expression, $\dfrac{1}{2}-\left(-\dfrac{1}{4}\right)$, simplifies to \begin{array}{l}\require{cancel} \dfrac{1}{2}+\dfrac{1}{4} \\\\= \dfrac{2(1)+1(1)}{4} \\\\= \dfrac{2+1}{4} \\\\= \dfrac{3}{4} .\end{array}

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