   Chapter 1.2, Problem 92PS

Chapter
Section
Textbook Problem

For Problems 55-94, simplify each numerical expression. (Objectives 7) − 1 2 − ( 3 8 + 1 4 )

To determine

To simplify:

The numerical expression 12(38+14).

Explanation

Procedure:

The addition of two negative real number can be obtained by adding the smaller absolute value from the larger absolute value.

They provide with the sign before addition and subtraction are performed.

The result with original number that has the larger absolute value.

Given expression is 12(38+14).

The denominators are not equal in the fractions which is inside the bracket.

To make the given operation, change in to equivalent denominator using their LCD.

LCD is 8.

So multiply 1 on both sides of the first fraction and 2 with the second fraction.

12(38+14)=(12)11(38)+22(14)=(12)(38+28)

The denominators are not equal in the fractions.

To make the given operation, change in to equivalent denominator using their LCD.

LCD is 8.

So multiply 4 on both sides of the first fraction.

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