Raja was cutting batons for relay race using pieces of wood 120cm and 150cm long.All batons have to be of the?

same length and both pieces of wood have to be used completely without wastage. What is lenght of the longest baton that can be cut?





Thnx in advance for all your answers!!|||GCF = 30 cm





120 = 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 60, 120


150 = 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150