How do you add time on a calculator?
Table of Contents
How do you add time on a calculator?
For example, add the times 1:30:45 and 2:45:20 together.
- Add hours, minutes, and seconds separately: hours = 1 + 2 = 3 hours.
- Seconds are greater than 60, so add 1 minute and subtract 60 seconds: minutes = 75 + 1 = 76 minutes.
- Minutes are greater than 60, so add 1 hour and subtract 60 minutes: hours = 3 + 1 = 4 hours.
How do you add up hours together?
Add the hours together….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.
How do you add up minutes and seconds?
How to add minutes and seconds:
- Add the minutes together.
- Add the seconds together.
- If the number of seconds is 60 or more, regroup the seconds into minutes: Subtract 60 from the seconds. Add 1 to the minutes. Repeat until the seconds are less than 60.
What is 2 hours and 20 minutes as a decimal?
Time to Decimal Conversion Table
| Time | Hours | Minutes |
|---|---|---|
| /b> | 2.333333 | 140 |
| /b> | 2.416667 | 145 |
| /b> | 2.5 | 150 |
| /b> | 2.583333 | 155 |
What is the decimal for 20 minutes?
0.333
What does 0.75 mean in hours?
| Hours | Minutes |
|---|---|
| 0.75 | 45 |
| 0.80 | 48 |
| 0.85 | 51 |
| 0.90 | 54 |
How do you measure 45 minutes with 2 wires?
It will take exactly half the original time, i.e. 30 minutes to burn completely.
- 0 minutes – Light stick 1 on both sides and stick 2 on one side.
- 30 minutes – Stick 1 will be burnt out. Light the other end of stick 2.
- 45 minutes – Stick 2 will be burnt out. Thus 45 minutes is completely measured.
What does 45 to an hour mean?
45 minutes to an hour = a period of between 45 and 60 minutes.
Is it in a hour or in an hour?
Because hour is typically pronounced with a silent h, an hour is correct. I wrote a blog post about an vs a on the EL&U blog some time ago, and it covers a wide variety of other cases that you might be interested in. An hour is correct, because “hour” begins with a vowel sound.
