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24-10-2018
Mathematics

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What is the least common denominator ( LCD ) of −1 5/6 and −1 7/9 ?

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24-10-2018

Answer:

18

Step-by-step explanation:

we start to write a few iterations of 6 and 9:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ...

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, ...

the LCD is the least repeating number in both sequences. It is 18

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