   Chapter 2.4, Problem 4E

Chapter
Section
Textbook Problem

Perform the indicated operations and simplify: 2 3 + ( − 7 9 )

To determine

To calculate: The simplified form of the expression 23+(79) by performing the indicated operation.

Explanation

Given Information:

The provided expression is:

23+(79).

Formula used:

Adding two numbers with unlike signs includes:

1.. In order to add a negative number with a positive number, first thing is to obtain the difference of their absolute values.

2.. And then sign of the number having the larger absolute value must be placed before the result.

Calculation:

Consider the expression:

23+(79)

When fractions having different denominator are to be added; first step is to find the least common denominator (LCD).

The LCD of 23 and 79 is 9

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