The LCM of 81 and 216 is 648.
216
17,496
2.16 in percentage = 216% 2.16 * 100% = 216%
216
27
216 as a percentage of 228 is 100*216/228 = 94.7
27, 54, 81, 108, 136, 162, 189, 216
It is: 648
3/8
yes 216/9 is 24 216/3 is 72
9/11 as a percentage is 81.'81'% repeating '81'