# Chapter 1 - Introduction to Algebraic Expressions - Test: Chapter 1: 23

$-\dfrac{7}{8}$

#### Work Step by Step

The given expression, $-\dfrac{1}{8}-\dfrac{3}{4}$, simplifies to \begin{array}{l}\require{cancel} -\dfrac{3}{24}-\dfrac{18}{24} \\\\= \dfrac{-3-18}{24} \\\\= \dfrac{-21}{24} \\\\= \dfrac{\cancel{3}\cdot(-7)}{\cancel{3}\cdot8} \\\\= -\dfrac{7}{8} .\end{array}

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