21 Plus 688 Addition :

Number 1	Number 2	Answer
21	688	709

How to calculate 21 plus 688 ?

Let's Add Two Numbers Together!

Imagine you have two numbers:

Number 1: 21

Number 2: 688

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 688's ones place (8).

Result: 1 + 8 = 9

Finally, the Result:

Sum: 709

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	690	711.1	21.1 plus 690
21.2	694	715.2	21.2 plus 694
21.3	701	722.3	21.3 plus 701
7.6	0.5	8.1	7.6 plus 0.5
9.5	8.7	18.2	9.5 plus 8.7
2	4.4	6.4	2 plus 4.4