Add :
6.9, 23.84

Answer

To solve the problem of adding 6.9 and 23.84, we can follow these steps:

### Step 1: Align the Numbers
First, we need to write the numbers in a column format, aligning the decimal points. We can add a zero to the number 6.9 to make it 6.90 for easier addition.

```
23.84
+ 6.90
```

### Step 2: Add the Decimal Places
Now, we will add the numbers starting from the rightmost side (the decimal places).

- In the hundredths place: 4 (from 23.84) + 0 (from 6.90) = 4

### Step 3: Add the Tenths Places
Next, we add the tenths place.

- In the tenths place: 8 (from 23.84) + 9 (from 6.90) = 17
- Write down 7 and carry over 1 to the next column.

### Step 4: Add the Units Places
Now, we add the units place, remembering to include the carry.

- In the units place: 3 (from 23.84) + 6 (from 6.90) + 1 (carry) = 10
- Write down 0 and carry over 1 again.

### Step 5: Add the Tens Places
Finally, we add the tens place.

- In the tens place: 2 (from 23.84) + 0 (from 6.90) + 1 (carry) = 3

### Step 6: Write the Final Answer
Putting it all together, we get:

```
23.84
+ 6.90
--------
30.74
```

Thus, the final answer is **30.74**.

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