To calculate **8 hours - 45 minutes**, follow these steps:

1. Convert 8 hours into minutes:  
   \( 8 \, \text{hours} = 8 \times 60 = 480 \, \text{minutes} \).

2. Subtract 45 minutes from 480 minutes:  
   \( 480 - 45 = 435 \, \text{minutes} \).

3. Convert the result back into hours and minutes:
   \( 435 \, \text{minutes} = 7 \, \text{hours} \, 15 \, \text{minutes} \).

Thus, **8 hours - 45 minutes = 7 hours 15 minutes**.

Would you like more details or have any questions?

Here are 5 related questions for further practice:

1. What is 5 hours and 30 minutes minus 20 minutes?
2. How many minutes are in 9 hours and 10 minutes?
3. Add 3 hours and 45 minutes to 6 hours and 20 minutes.
4. Convert 10 hours and 15 minutes into only minutes.
5. Subtract 1 hour and 50 minutes from 8 hours.

**Tip:** When working with time, it's helpful to convert everything into minutes first for easier calculations!

Learn how to subtract 45 minutes from 8 hours with a clear step-by-step solution. This problem demonstrates how to convert hours into minutes and subtract time values, making it ideal for students in Grades 4-6.

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