Posted by cha on Monday, May 7, 2012 at 12:50pm.
6 1/2 - 4 7/10
When we subtract fractions, we must use a common denominator.
6 1/2 = 6 5/10
6 5/10 - 4 7/10
Now we need to borrow (or regroup).
6 5/10 = 5 15/10
5 15/10 - 4 7/10 = 1 8/10 = 1 4/5
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