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	511	532.1	21.1 plus 511
21.2	512	533.2	21.2 plus 512
21.3	516	537.3	21.3 plus 516
2.3	4.6	6.9	2.3 plus 4.6
2.6	7.4	10	2.6 plus 7.4
5.2	4.9	10.1	5.2 plus 4.9