21 Plus 129 Addition :

Number 1	Number 2	Answer
21	129	150

How to calculate 21 plus 129 ?

Let's Add Two Numbers Together!

Imagine you have two numbers:

Number 1: 21

Number 2: 129

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 129's ones place (9).

Result: 1 + 9 = 10

Finally, the Result:

Sum: 150

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	136	157.1	21.1 plus 136
21.2	145	166.2	21.2 plus 145
21.3	153	174.3	21.3 plus 153
8.2	2.1	10.3	8.2 plus 2.1
8.9	8	16.9	8.9 plus 8
4.8	6.6	11.4	4.8 plus 6.6