Let's solve each problem step-by-step from the image you provided:

1. 0.3 + 0.25 $0.3 + 0.25 = 0.55$

2. 0.17 + 0.21 $0.17 + 0.21 = 0.38$

3. 9.3 + 0.9 $9.3 + 0.9 = 10.2$

4. 0.8 + 0.60 $0.8 + 0.60 = 1.4$

5. 0.96 - 0.95 $0.96 - 0.95 = 0.01$

6. 8.41 - 0.92 $8.41 - 0.92 = 7.49$

Answers:

1. 0.55
2. 0.38
3. 10.2
4. 1.4
5. 0.01
6. 7.49

Would you like further details on any of the solutions?

Here are 5 related questions for more practice:

1. What is $1.5 + 2.4$?
2. How would you subtract $3.14 - 2.06$?
3. What is the sum of $0.85 + 0.15$?
4. Subtract $7.02 - 3.89$.
5. Add $5.5 + 6.8$.

Tip: When adding or subtracting decimals, make sure the decimal points are aligned vertically to ensure accuracy.