21 Plus 9 Addition :

Number 1	Number 2	Answer
21	9	30

How to calculate 21 plus 9 ?

Let's Add Two Numbers Together!

Imagine you have two numbers:

Number 1: 21

Number 2: 9

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 9's ones place (9).

Result: 1 + 9 = 10

Finally, the Result:

Sum: 30

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	18	39.1	21.1 plus 18
21.2	21	42.2	21.2 plus 21
21.3	23	44.3	21.3 plus 23
4	1.6	5.6	4 plus 1.6
2.3	4.8	7.1	2.3 plus 4.8
9.1	3	12.1	9.1 plus 3