Calculate the number of steps
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A short man takes three steps to a tall man’s two steps. They both start out on the left foot. How many steps do they have to take before they are both stepping out on the right foot together?
They will never step out with right feet together
In order for them to start on the right foot they need to make an even number of steps So the number of steps the short man takes will always be a multiple of 3, while the number of steps the tall man takes will always be a multiple of 2. Therefore, if they start on the left foot, they will never step out together on the right foot because the number of steps they take will never have a common multiple of 2 and 3. or in other words the short man can not make a 3/2 step so they will never step out with right feet together
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