42
2.5 divide by 67.5 = 0.037037037037037035
0.04
675
10.0089
225
675 divided by 9 is 75.
675
0.2
16.0714
300
Add the digits of the number. If the sum is 9 or divisible by 9, the number itself is divisible by 9. Ex: 675 6 + 7+ 5 = 18 1 + 8 = 9 675 is divisible by 9.