Respuesta :
Least Common Multiple (LCM).
the multiples of 10: 0; 10; 20; 30; 40; ...
the multiples of 15: 0; 15; 30; 45; 60; ...
Answer: LCM(10; 15) = 30.
the multiples of 10: 0; 10; 20; 30; 40; ...
the multiples of 15: 0; 15; 30; 45; 60; ...
Answer: LCM(10; 15) = 30.