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	494	515.1	21.1 plus 494
21.2	495	516.2	21.2 plus 495
21.3	498	519.3	21.3 plus 498
6.9	8.5	15.4	6.9 plus 8.5
6.7	3.1	9.8	6.7 plus 3.1
4.2	8.3	12.5	4.2 plus 8.3