Adding And Subtracting Rational Numbers Rules

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Adding And Subtracting Rational Numbers Rules

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Lesson 2 2 Adding And Subtracting Rational Numbers

The rules of addition and subtraction of integers are also valid for rational numbers Recall that rational numbers are numbers that can be represented as fractions where a is the numerator of the fraction and b is the denominator of the fraction However b must be not eqaul to zero Problem 1. Add. The numerator should be expanded and simplified. The denominator should be either expanded or factored. 5 x x + 3 + 4 x + 2 = Explain. Least common denominators. Numerical fractions. Sometimes, the denominators of two fractions are different but have some shared factors.

Lesson 2 2 Adding And Subtracting Rational Numbers

Adding And Subtracting Rational Numbers RulesIn order to add and subtract rational numbers using a number line: To add, start at the first number and move to the second number; to subtract, start from the second number and move to the first number. Write your answer. Adding and subtracting rational numbers examples. Example 1: adding negative numbers using counters. Adding and subtracting rational expressions is similar to adding and subtracting fractions Recall that if the denominators are the same we can add or subtract the numerators and write the result over the common

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