LCM(12, 22, 30) = 660
2 times with remainder 6.
2.5 times.
Exactly 30 times
2 with 6 remaining 30 - 6 = 24 = 12 x 2
60
30 times
192 ÷ 30 = 6 with remainder 12.
Twice - with a remainder of 6 (or 2½ times)
420 / 30 = 14
twelve 12 x 3 = 36 12 x 30 = 360 36 + 360 = 396
42 ÷ 30 = 1 12/30 = 1 2/5 = 1.4