How to Find LCD (Least Common Denominator) ? - PowerPoint PPT Presentation

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How to Find LCD (Least Common Denominator) ?

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Know how to find the lowest common denominator of the fractions – PowerPoint PPT presentation

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Title: How to Find LCD (Least Common Denominator) ?


1
How to Find LCD ? (Least Common Denominator)
2
What is LCD ?
  • The lowest or smallest common multiple of the
    denominators of fractions are called as the
    least common denominator.
  • It is also termed as LCD or least common
    denominator.
  • It is used in the simplification of addition,
    subtraction of fractions.

3
How to Calculate LCD ?
  • Find the LCM of the denominators.
  • Change the fractions with the denominator
    equivalent to the lowest common denominator.
  • Then you can add, subtract or compare the
    fractions

4
Example
  • Consider three fractions 5 / 8, 9/ 4, 8 / 16.
  • Take the denominators separately 8, 4, 16
  • Find the least common multiple among the
    denominators.
  • The LCM of the denominators is 16.
  • Rearranging the fractions (52 / 82), (94 /
    44), 8 / 16

5
Calculate LCD Online
  • You can find LCD online using the LCD calculator
  • https//www.easycalculation.com/least-common-denom
    inator.php
  • Thank You !!!
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