Answer:
420
Step-by-step explanation:
hope it helps
-thank you
hey there!
multiple of 30=2*3*5
multiple of 42=2*3*7
multiple of 60=2*3*3*5
common factors=2*3*5
other factors=7*2
multiplying common factors and other factors we get;
the required answer as 420
hope it helps!!!
