60
For 12, 15 and 28 the LCM is: 420
fifteen out of twenty = 3/4
4,927,215
915,720,000,000,000,000,000,000 Nine hundred fifteen sextillion, seven hundred twenty quintillion.
The LCM is: 30
Between ten past nine in the morning and fifteen minutes later - (that is twenty five past nine in the morning), there are zero hours and fifteen minutes.
9.826415 = nine and eight hundred twenty-six, four hundred fifteen millionths.
There are some schools of thought that maintain that a fraction can have an LCM. For our purposes, we find the LCM of the denominators to discover a least common denominator. The LCM of 9 and 15 is 45.
Nine plus fifteen is 24!
Watch closely ===> 315,902,229
one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty, twenty two, twenty three, twenty four, twenty five, twenty six, twenty seven, twenty eight, twenty nine, thirty........etc