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Answers.com
In order to find the LCD when adding or subtracting fractions
24 = 24/1 in fraction
The HCF helps when reducing fractions. The LCM helps when adding or subtracting fractions.
Factor :D
24/42 = 4/7
They are useful in reducing fractions and to simplify radicals. They are useful in reducing fractions and to simplify radicals.
When you are reducing fractions.
Answers.com
In order to find the LCD when adding or subtracting fractions
Expanding fractions
reducing
24 = 24/1 in fraction
The HCF helps when reducing fractions. The LCM helps when adding or subtracting fractions.
Reducing to lowest terms eg 64/96 = 32/48 = 16/24 = 8/12 = 4/6 = 2/3
When reducing fractions to their lowest terms or finding the LCD of fractions
Factor :D