Addition with Decimals Worksheet - Practice adding decimal numbers with this printable math exercise.

Problem: Addition with Decimals

The task is to solve the given addition problems involving decimals. Below are the solutions with step-by-step explanations.

---

#### Problem 1:
1. 72.3 + 5.64 = ?
- Align the decimal points:
```
72.30
+ 5.64
------
77.94
```
- Answer: 77.94

2. 65.1 + 6.47 = ?
- Align the decimal points:
```
65.10
+ 6.47
------
71.57
```
- Answer: 71.57

---

#### Problem 2:
1. 18.3 + 17.5 = ?
- Align the decimal points:
```
18.3
+ 17.5
------
35.8
```
- Answer: 35.8

2. 19.8 + 13.4 = ?
- Align the decimal points:
```
19.8
+ 13.4
------
33.2
```
- Answer: 33.2

---

#### Problem 3:
1. 3.65 + 9.8 = ?
- Align the decimal points:
```
3.65
+ 9.80
------
13.45
```
- Answer: 13.45

2. 28.4 + 7.84 = ?
- Align the decimal points:
```
28.40
+ 7.84
------
36.24
```
- Answer: 36.24

---

#### Problem 4:
1. 16.6 + 2.87 = ?
- Align the decimal points:
```
16.60
+ 2.87
------
19.47
```
- Answer: 19.47

2. 6.21 + 35.4 = ?
- Align the decimal points:
```
6.21
+ 35.40
------
41.61
```
- Answer: 41.61

---

#### Problem 5:
1. 23.64 + 5.7 = ?
- Align the decimal points:
```
23.64
+ 5.70
------
29.34
```
- Answer: 29.34

2. 99.4 + 1.64 = ?
- Align the decimal points:
```
99.40
+ 1.64
------
101.04
```
- Answer: 101.04

---

#### Problem 6:
1. 2.99 + 3.8 = ?
- Align the decimal points:
```
2.99
+ 3.80
------
6.79
```
- Answer: 6.79

2. 82.6 + 6.47 = ?
- Align the decimal points:
```
82.60
+ 6.47
------
89.07
```
- Answer: 89.07

---

#### Problem 7:
1. 26.74 + 9.9 = ?
- Align the decimal points:
```
26.74
+ 9.90
------
36.64
```
- Answer: 36.64

2. 64.9 + 3.58 = ?
- Align the decimal points:
```
64.90
+ 3.58
------
68.48
```
- Answer: 68.48

---

#### Problem 8:
1. 13.8 + 5.4 = ?
- Align the decimal points:
```
13.8
+ 5.4
------
19.2
```
- Answer: 19.2

2. 6.45 + 19.7 = ?
- Align the decimal points:
```
6.45
+ 19.70
------
26.15
```
- Answer: 26.15

---

#### Problem 9:
1. 26.7 + 52.5 = ?
- Align the decimal points:
```
26.7
+ 52.5
------
79.2
```
- Answer: 79.2

2. 52.45 + 3.8 = ?
- Align the decimal points:
```
52.45
+ 3.80
------
56.25
```
- Answer: 56.25

---

#### Problem 10:
1. 7.4 + 3.47 = ?
- Align the decimal points:
```
7.40
+ 3.47
------
10.87
```
- Answer: 10.87

2. 8.64 + 2.8 = ?
- Align the decimal points:
```
8.64
+ 2.80
------
11.44
```
- Answer: 11.44

---

Final Answers:

1. 77.94, 71.57
2. 35.8, 33.2
3. 13.45, 36.24
4. 19.47, 41.61
5. 29.34, 101.04
6. 6.79, 89.07
7. 36.64, 68.48
8. 19.2, 26.15
9. 79.2, 56.25
10. 10.87, 11.44

Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
1. & 77.94, 71.57 \\
2. & 35.8, 33.2 \\
3. & 13.45, 36.24 \\
4. & 19.47, 41.61 \\
5. & 29.34, 101.04 \\
6. & 6.79, 89.07 \\
7. & 36.64, 68.48 \\
8. & 19.2, 26.15 \\
9. & 79.2, 56.25 \\
10. & 10.87, 11.44 \\
\end{array}
}
\]