7 divide 420 = 0.016666666666666666
0.1429
First, you know that 60 seconds are in a minute. so you divide 420 by 60. This would equal 7 minutes.
420
42
Simply divide 75 by 420 75/420=0.1785
420 / 7 = 60
14, 21, 28, 35, 42, 49, 56, 63, 70, 77 +7 . . .
Not evenly. 420/24 = 17.5
420 dividedby 7 = 60
Divide 15 into 420 for the answer.
The LCM is 420.
The LCM is 420.