21 Plus 489 Addition :

Number 1	Number 2	Answer
21	489	510

How to calculate 21 plus 489 ?

Let's Add Two Numbers Together!

Imagine you have two numbers:

Number 1: 21

Number 2: 489

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 489's ones place (9).

Result: 1 + 9 = 10

Finally, the Result:

Sum: 510

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	490	511.1	21.1 plus 490
21.2	496	517.2	21.2 plus 496
21.3	500	521.3	21.3 plus 500
1.9	1.8	3.7	1.9 plus 1.8
2.7	7.2	9.9	2.7 plus 7.2
8.3	9.9	18.2	8.3 plus 9.9