How to add hours and minutes

• Add the hours together.
• Add the minutes together.
• If the number of minutes is 60 or more do the following:
  • Subtract 60 from the number of minutes.
  • Increase the number of hours by one.
  • Repeat this process if the number of minutes is still 60 or more.

Example: Add 4 hours 21 minutes plus 2 hours 47 minutes.

• Add the hours together. (4 hours + 2 hours = 6 hours)
• Add the minutes together. (21 minutes + 47 minutes = 68 minutes)
• If the number of minutes is 60 or more do the following:
  • Subtract 60 from the number of minutes. (68 minutes - 60 minutes = 8 minutes)
  • Increase the number of hours by one. (6 hours + 1 hour = 7 hours)
  • Repeat this process if the number of minutes is still 60 or more.
• Answer: 7 hours 8 minutes