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A house cleaner vacuums a house every fourth day and takes out the trash every seventh day. The cleaner just vacuumed and took out the trash today. In how many days will both tasks be done on the same
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A house cleaner vacuums a house every fourth day and takes out the trash

every seventh day. The cleaner just vacuumed and took out the trash today.
In how many days will both tasks be done on the same day again?

User ReedD
by
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1 Answer

3 votes
28 days because that is the lowest common multiple of 4 and 7
User Tommy Lee
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