Posted by **Aleeyah** on Monday, August 29, 2005 at 7:51pm.

how do u add and subtract time....

ex.

Math class is dismissed at 2:20pm ,It is now 1:53pm how many more minutes before math class is dismissed.

It is a subtraction, but remember each hour is 60 min.

2:20

- 1:53

but you cant subtract 53 from 20, so you borrow..

1:80

-1:53

and the answer is 27 minutes.

- Math--time -
**Anonymous**, Saturday, December 10, 2011 at 7:18pm
25 minutes

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