Question
Yoko, Risa and Esther were each given a piece of rope of equal length. Yoko cut hers into equal lengths of 3 m, Risa cut hers into equal lengths of 6 m, and Esther cut hers into equal lengths of 9 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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Yoko, Risa and Esther were each given a piece of rope of equal length. Yoko cut hers into equal lengths of 3 m, Risa cut hers into equal lengths of 6 m, and Esther cut hers into equal lengths of 9 m. If there were no remainder in each case, find the shortest length of rope given to each of them.