Calculate 6:57:32 - 5:58:33.
Understand the Problem
The question requires us to subtract two values representing time in the format hours:minutes:seconds.
Answer
0:58:59
Answer for screen readers
0:58:59
Steps to Solve
- Set up the subtraction
Write the problem vertically, aligning the hours, minutes, and seconds:
6:57:32
- 5:58:33
- Subtract the seconds
Since 32 is less than 33, we need to borrow 1 minute (60 seconds) from the minutes column. This changes the problem to:
6:56:92 (Since 57 - 1 = 56 and 32 + 60 = 92)
- 5:58:33
Now, subtract the seconds: $92 - 33 = 59$ seconds.
- Subtract the minutes
Since 56 is less than 58, we need to borrow 1 hour (60 minutes) from the hours column. This changes the problem to:
5:116:92 (Since 6 - 1 = 5 and 56 + 60 = 116)
- 5:58:33
Now, subtract the minutes: $116 - 58 = 58$ minutes.
- Subtract the hours
Subtract the hours: $5 - 5 = 0$ hours.
- Combine the results
Combine the results to get the final answer in the format hours:minutes:seconds.
0:58:59
More Information
The difference between the two times is 0 hours, 58 minutes, and 59 seconds.
Tips
A common mistake is forgetting to borrow correctly from the minutes and hours columns. Also, students may not remember that 1 minute = 60 seconds and 1 hour = 60 minutes.
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