# How do you subtract minutes and seconds?

June 23, 2019 Off By idswater

## How do you subtract minutes and seconds?

How to subtract minutes and seconds:

1. If the number of seconds being subtracted is larger than the original seconds, you must borrow some seconds from the minutes: Subtract 1 from the original number of minutes. Increase the number of original seconds by 60.
2. Subtract the seconds.
3. Subtract the minutes.

## How do you subtract minutes from time?

To subtract time, subtract the minutes then subtract the hours. Since we can’t have negative minutes, add 60 to the minutes and subtract 1 from the hours (60 minutes = 1 hour).

## How do I add 45 minutes to time?

Add 21:15 and 2:30. We first add the hours of 21 + 2 = 23 hours, and then add the minutes as 15 + 30 = 45 minutes. Therefore the time is 23: 45. Let us look at another example of adding time in a 24-hour format.

## How is 45 minutes calculated?

45 minutes is 45 minutes * (1 hour / 60 minutes) = 45/60 hours = 0.75 hours. 45 seconds is 45 seconds * (1 hour / 3600 seconds) = 45/3600 hours = 0.0125 hours. Adding them all together we have 2 hours + 0.75 hours + 0.0125 hours = 2.7625 hours.

## What is 2 hours and 45 minutes from now?

What is 2 hours and 45 minutes from now? – The time will be 08/15/2021 07:45:00 PM 2 hours and 45 minutes from now.

## What is .75 of an hour?

Decimal Hours-to-Minutes Conversion Chart

Minutes Tenths of an Hour Hundredths of an Hour
44 .7 .74
45 .7 .75
46 .7 .76
47 .7 .78

## How do I calculate how much time I have passed?

To calculate elapsed time:

1. Count on in minutes from the earlier time to the nearest hour.
2. Count on in hours to the hour nearest to the later time.
3. Count in minutes to reach the later time.

## How many minutes is 45 miles?

Speed 70 mph Distance 45 miles Time = 38.593 minutes.

## How many min is 45?

In 45 min there are 0.75 h . Which is the same to say that 45 minutes is 0.75 hours.

## What is 45 minutes an hour?

What is 1 hour and 45 minutes from now. What is 1 hour and 45 minutes from now? – The time will be 08/16/2021 06:45:00 PM 1 hour and 45 minutes from now.

## What does .75 mean in minutes?

Decimal Hours-to-Minutes Conversion Chart

Minutes Tenths of an Hour Hundredths of an Hour
42 .7 .70
43 .7 .72
44 .7 .74
45 .7 .75

## How to calculate the subtraction of minutes and seconds?

Subtract 1 from the original number of minutes. Increase the number of original seconds by 60. Subtract the seconds. Subtract the minutes. Example: What is 4 minutes 11 seconds minus 2 minutes 47 seconds. Subtract 1 from the original number of minutes. (4 minutes – 1 minute = 3 minutes)

## What is 4 minutes 11 seconds minus 2 minutes 47 seconds?

Example: What is 4 minutes 11 seconds minus 2 minutes 47 seconds. Subtract 1 from the original number of minutes. (4 minutes – 1 minute = 3 minutes) Increase the number of seconds by 60. (11 seconds + 60 seconds = 71 seconds) Subtract the seconds. (71 seconds – 47 seconds = 24 seconds) Subtract the minutes. (3 minutes – 2 minutes = 1 minute)

## What’s the difference between 30 minutes and 60 seconds?

What is 30 minutes in seconds? 30 min to s conversion. A minute is a unit of time equal to 60 seconds. A second is the base unit of time. Originally, it was based on the length of the day, but it has since been standardized based on the radiation wavelength of caesium-133.

## How many minutes are in a second of time?

How Many Minutes in a Second? There are 0.016666666666667 minutes in a second. One second is equal to 1 × 10 0 to unit of time second. Therefore 1 second = 1 seconds. One minute is equal to 6 × 10 1 to unit of time second. 1 second = (1 seconds / 60 seconds) minutes. 0.016666666666667 minutes makes a second.

Subtract 1 from the original number of minutes. Increase the number of original seconds by 60. Subtract the seconds. Subtract the minutes. Example: What is 4 minutes 11 seconds minus 2 minutes 47 seconds. Subtract 1 from the original number of minutes. (4 minutes – 1 minute = 3 minutes)

Example: What is 4 minutes 11 seconds minus 2 minutes 47 seconds. Subtract 1 from the original number of minutes. (4 minutes – 1 minute = 3 minutes) Increase the number of seconds by 60. (11 seconds + 60 seconds = 71 seconds) Subtract the seconds. (71 seconds – 47 seconds = 24 seconds) Subtract the minutes. (3 minutes – 2 minutes = 1 minute)

## Do you subtract starting time from 24 hour time?

The goal is to subtract the starting time from the ending time under the correct conditions. If the times are not already in 24-hour time, convert them to 24-hour time. AM hours are the same in both 12-hour and 24-hour time. For PM hours, add 12 to the number to convert it to 24-hour time.

## How to subtract minutes and seconds in aaamath?

Increase the number of seconds by 60. (11 seconds + 60 seconds = 71 seconds) Subtract the seconds. (71 seconds – 47 seconds = 24 seconds) Subtract the minutes. (3 minutes – 2 minutes = 1 minute) How do AAAMath lessons map to Common Core State Standards?