9's Complement Examples

Method : 9's complement of a number is obtained by subtracting all bits from 9.

1. Find 9's complement of 470

Solution:

Note : 9's complement of a number is obtained by subtracting each digit from 9

Step-1: 9's complement of 470 is obtained by subtracting each digit from 9

So 9's complement of 470 is 529

2. Find 9's complement of 670

Solution:

Note : 9's complement of a number is obtained by subtracting each digit from 9

Step-1: 9's complement of 670 is obtained by subtracting each digit from 9

So 9's complement of 670 is 329

3. Find 9's complement of 1789

Solution:

Note : 9's complement of a number is obtained by subtracting each digit from 9

Step-1: 9's complement of 1789 is obtained by subtracting each digit from 9

So 9's complement of 1789 is 8210

4. Find 9's complement of 2870

Solution:

Note : 9's complement of a number is obtained by subtracting each digit from 9

Step-1: 9's complement of 2870 is obtained by subtracting each digit from 9

So 9's complement of 2870 is 7129

5. Find 9's complement of 3846

Solution:

Note : 9's complement of a number is obtained by subtracting each digit from 9

Step-1: 9's complement of 3846 is obtained by subtracting each digit from 9

So 9's complement of 3846 is 6153

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