Question
Yen, Nora and Kathy were each given a piece of rope of equal length. Yen cut hers into equal lengths of 3 m, Nora cut hers into equal lengths of 4 m, and Kathy cut hers into equal lengths of 6 m. If there were no remainder in each case, find the shortest length of rope given to each of them.
4 m

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Yen, Nora and Kathy were each given a piece of rope of equal length. Yen cut hers into equal lengths of 3 m, Nora cut hers into equal lengths of 4 m, and Kathy cut hers into equal lengths of 6 m. If there were no remainder in each case, find the shortest length of rope given to each of them.