Question

how to find LCM of 30 ,50 ,60 , 90

Answer 1

2 | 30,50,60,90

2 | 15,25,30,45

3 | 15,25,15,45

3 | 5, 25, 5 , 15

5 | 5, 25, 5, 5

5 | 1, 5, 1, 1

| 1, 1, 1, 1

2×2×3×3×5×5= L.C.M 900