Subtracting Mixed Time
Steps to subtract days and hours:
1. If the number of hours being subtracted is more, then decrease the days by 1 and increase the hours by 24.
(Since, 1 day = 24 hours)
2. Subtract the days.
3. Subtract the hours.
For example: Let's subtract:
39 days 21 hours – 15 days 23 hours = ?
Notice that, we cannot subtract 23 hours from 21 hours.
So, decrease the days by 1 and increase the hours by 24:
39 days – 1 day = 38 days
21 hours + 24 hours = 45 hours
So, 39 days 21 hours – 15 days 23 hours = 38 days 45 hours – 15 days 23 hours
Now, subtract the days.
38 days – 15 days = 23 days
Now, subtract the hours.
45 hours – 23 hours = 22 hours
So, 39 days 21 hours – 15 days 23 hours = 23 days 22 hours.
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Help
The correct answer is
Remember :
The smallest number is the one that comes first while counting.
Solution :
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.
