two cruise ships sail from NY to FL.ONE ship make the round trip in 8 days.the other ship make the round trip in 10 days.both ships sail from ny today.which is the fewest number of days before both ships will sail again from newyork on the same day?

Question

two cruise ships sail from NY to FL.ONE ship make the round trip in 8 days.the other ship make the round trip  in 10 days.both ships sail from ny today.which is the fewest number of days before both ships will sail again from newyork on the same day?

Steve · Answer

LCM(8,10) = 40

Ms. Sue · Answer

What is the least common multiple of 8 and 10?