Clock's gears

In the clock machine, three gears fit together. The largest has 168 teeth, the middle 90 teeth, and the smallest 48 teeth. The middle wheel turns around its axis in 90 seconds. How many times during the day do all the gears meet in the starting position?

Result

n =  17

Solution:

Solution in text n =
Solution in text n = : Nr. 1

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To solve this verbal math problem are needed these knowledge from mathematics:

Do you want to calculate least common multiple two or more numbers?

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