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	510	531.1	21.1 plus 510
21.2	518	539.2	21.2 plus 518
21.3	523	544.3	21.3 plus 523
2.2	1.9	4.1	2.2 plus 1.9
9.4	7.1	16.5	9.4 plus 7.1
5.2	2	7.2	5.2 plus 2