21 Plus 138 Addition :
| Number 1 | Number 2 | Answer |
|---|---|---|
| 21 | 138 | 159 |
How to calculate 21 plus 138 ?
Let's Add Two Numbers Together!Imagine you have two numbers:
Number 1: 21
Number 2: 138
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 138's ones place (8).
Result: 1 + 8 = 9
Finally, the Result:
Sum: 159
Four Operations Calculator
Similar Summation Operations :
| Number 1 | Number 2 | ANSWER: | HOW TO ? |
|---|---|---|---|
| 21.1 | 142 | 163.1 | 21.1 plus 142 |
| 21.2 | 144 | 165.2 | 21.2 plus 144 |
| 21.3 | 151 | 172.3 | 21.3 plus 151 |
| 0.9 | 7.8 | 8.7 | 0.9 plus 7.8 |
| 6.2 | 0.2 | 6.4 | 6.2 plus 0.2 |
| 4.5 | 5.7 | 10.2 | 4.5 plus 5.7 |