The answer is 9
1×810, 2×405, 3×270, 5×162, 6×135, 9×90, 10×81, 15×54, 18×45, 27×30
9
9 divided by 810 is 1/20 or 0.05
90
9.3372
0.0333
1×810, 2×405, 3×270, 5×162, 6×135, 9×90, 10×81, 15×54, 18×45, 27×30
3.2143
9
90 divided by 2
9 divided by 810 is 1/20 or 0.05
The LCM is 810.
90 divided by 3 = 30
810
3.913
It is: 90/9 = 10
90