MAGIC OF 9

Reminder when divided by 9

Do you know ,the reminder when a number is divided by 9 is the sum of digits.
for e.g. the reminder when 9456(above example) is divided by 9 is 6
the reminder when 3858(above example) is divided by 9 is 6

No to be Added for divisibility by 9

Again, Do you know ,the number to be added so that the number will be divisible by 9
is (9 - sum of digits)
the number to be added so that 9456 will be divisible by 9 is 9-6=3
the number to be added so that 45874 will be divisible by 9 is
4+5+8+7+4 = 28 : 2+8 =10:1+0=1 So 9 – 1 = 8 will be added so that 45874 will be divisible by 9