QuestionAugust 27, 2025

1. Q Essential Question How are adding and subtracting integers related to adding and subtracting other rational numbers?

1. Q Essential Question How are adding and subtracting integers related to adding and subtracting other rational numbers?
1. Q Essential Question How are adding and
subtracting integers related to adding and
subtracting other rational numbers?

Solution
4.1(134 votes)

Answer

Adding and subtracting integers is similar to rational numbers; both involve aligning signs and using inverse operations, with additional steps like finding common denominators for fractions. Explanation 1. Understand Integer Operations Adding and subtracting integers involves combining positive and negative whole numbers. For example, 3 + (-2) = 1. 2. Extend to Rational Numbers Rational numbers include fractions and decimals. The same principles apply: align signs for addition, and use inverse operations for subtraction. For example, \frac{1}{2} + \left(-\frac{3}{4}\right) = -\frac{1}{4}. 3. Use Common Denominators When adding or subtracting fractions, find a common denominator. For example, \frac{1}{3} + \frac{1}{6} = \frac{2}{6} + \frac{1}{6} = \frac{3}{6} = \frac{1}{2}. 4. Apply to Decimals Align decimal points when adding or subtracting. For example, 0.5 + (-0.75) = -0.25.

Explanation

1. Understand Integer Operations<br /> Adding and subtracting integers involves combining positive and negative whole numbers. For example, $3 + (-2) = 1$.<br /><br />2. Extend to Rational Numbers<br /> Rational numbers include fractions and decimals. The same principles apply: align signs for addition, and use inverse operations for subtraction. For example, $\frac{1}{2} + \left(-\frac{3}{4}\right) = -\frac{1}{4}$.<br /><br />3. Use Common Denominators<br /> When adding or subtracting fractions, find a common denominator. For example, $\frac{1}{3} + \frac{1}{6} = \frac{2}{6} + \frac{1}{6} = \frac{3}{6} = \frac{1}{2}$.<br /><br />4. Apply to Decimals<br /> Align decimal points when adding or subtracting. For example, $0.5 + (-0.75) = -0.25$.
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