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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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When the denominators of two fractions to be added or subtracted are different, what must be done before they can be added?

To determine

Addition or subtracted of fraction numbers.

Explanation

Two fractions are directly added if the denominators of both the numbers are same.

If denominators of both the numbers are not same, then first convert the denominators of both the fractions.

To convert a denominator, multiply both numerator and denominator of the fraction by the same number.

When denominators converted into same numbers then added or subtracted directly numerator to numerator and denominator to denominator. For example

Example: - Addition of two numbers 1/2 and 1/6,

  S=12+16S=12×33+16S=36+16S=3+16

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