How To Add and Subtract Time in Hours and Minutes | Summary and Q&A

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October 12, 2019
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The Organic Chemistry Tutor
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How To Add and Subtract Time in Hours and Minutes

TL;DR

Learn how to add and subtract time in hours and minutes using simple arithmetic operations.

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Questions & Answers

Q: How do you add time in hours and minutes?

To add time, add the minutes and carry over any extra hours before adding the hours column-wise. Combine the hours and minutes to get the final answer.

Q: What should you do if the minutes exceed 60?

If the minutes exceed 60, convert the excess minutes into hours and combine them with the total hours. Then, subtract 60 from the minutes to get the correct value.

Q: How do you subtract time in hours and minutes?

To subtract time, subtract the minutes column-wise and borrow hours if necessary. If the minutes result in a negative value, borrow an hour and add 60 to the minutes before subtracting.

Q: Can you provide a detailed example of subtracting time in hours and minutes?

Sure, suppose you have 8 hours and 27 minutes, and you subtract 4 hours and 39 minutes. Borrowing an hour becomes necessary, and you convert the borrowed hour into 60 minutes. After performing the subtraction, the final answer is 3 hours and 48 minutes.

Summary & Key Takeaways

  • The video demonstrates how to add and subtract time in hours and minutes using examples.

  • Addition: Combine the minutes and carry over any extra hours before adding the hours.

  • Subtraction: Borrow hours if necessary and convert minutes if they exceed 60.

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