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Chapter 1: Q17. (page 44)

Find each sum or difference. Write in the simplest form.

78鈭�18

Short Answer

Expert verified

The simplest form is34.

Step by step solution

01

Step 1. Take L.C.M of the denominators of each fraction.

L.C.Mof8and8is=8

02

Step 2. Evaluate the difference.

First make the denominators of all fractions equal to LCM by multiplying the numerator and denominator with an integer. Then add/subtract the numerators directly over the common denominator.

78鈭�18=7鈭�18=68

03

Step 3. Simplify the result.

Write the fraction with factor form and then simplify it.

=3脳22脳2脳2=34

Therefore, the simplest form is34.

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