Crossflip4012 Crossflip4012

09-11-2020
Mathematics

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What is the sum of the reciprocals of all of the positive integer factors of 18? Express your answer as a common fraction.

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nsrosewine nsrosewine

09-11-2020

Answer:

39/18 = 13/6 = 2 1/6

Step-by-step explanation:

factors are 1,2,3,6,9,18

so the reciprocals are

1/1, 1/2, 1/3, 1/6, 1/9, 1/18

when added the sum is 39/18 or 2 1/6

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