The LCM is 700.
The answer you see is 1.
14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 15420, 40, 60, 80, 100, 120, 140, 160The LCM is 140.
240
100(56/140) = 40 %.
The LCM is: 200
The LCM is: 400
40 off 140 is 100. 40% off 140 is 84.
Well, honey, if you want to know what percentage 56 is of 140, you just divide 56 by 140 and multiply by 100. So, 56 divided by 140 is 0.4, and when you multiply that by 100, you get 40%. So, 56 is 40% of 140. Math doesn't lie, darling.
The multiples of 20 are: 20, 40, 60, 80, 100, 120, 140, etc ...The multiples of 30 are: 30, 60, 90, 120, 150, etc ...The multiples of 40 are: 40, 80, 120, 160, etc. ...The lowest multiple common to 20, 30, and 40 is 120, so the LCM = 120
200
LCM 140 and 28 is 140.