LCM of 96 and 42 is 672.
1, 2, 3, 6, 7, 14, 21, 42 96 divided by 8 = 12
There are 54 neutrons in an atom of molybdenum-96. The atomic number is 42, so there are 42 protons. The neutrons make up the rest of the 96. 96-42=54.
96
7
240
8
96
0.0625
96
16
0.0208