21 Plus 509 Addition :

Number 1	Number 2	Answer
21	509	530

How to calculate 21 plus 509 ?

Let's Add Two Numbers Together!

Imagine you have two numbers:

Number 1: 21

Number 2: 509

Now, let's go step by step:

Step 1: Start by looking at the rightmost digit of each number (the ones place).

Add 21's ones place (1) to 509's ones place (9).

Result: 1 + 9 = 10

Finally, the Result:

Sum: 530

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	517	538.1	21.1 plus 517
21.2	524	545.2	21.2 plus 524
21.3	529	550.3	21.3 plus 529
9.2	5.6	14.8	9.2 plus 5.6
5.9	0.8	6.7	5.9 plus 0.8
1.5	9.2	10.7	1.5 plus 9.2