SOLUTION: How do I solve this problem? 2/3 - (1/2 - 1/3) I know I have to find the lcd, but how does the numerator change?

SOLUTION: How do I solve this problem? 2/3 - (1/2 - 1/3) I know I have to find the lcd, but how does the numerator change?

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Question 289180: How do I solve this problem? 2/3 - (1/2 - 1/3)
I know I have to find the lcd, but how does the numerator change?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/2=1.5/3
2/3-(1.5/3-1/3)
2/3-(.5/3)
1.5/3=1/2
or even better
2/3-1/2+1/3
1-1/2=1/2
The normal way would have been
2/3 - (1/2 - 1/3)
convert the denominator to 6
2/3=4/6
1/2=3/6
1/3=2/6
4/6-(3/6-2/6)
4/6-(1/6)
4/6-1/6=3/6=1/2

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