-15 + 7
The difference between 15 and 7 is 8 and the sign of 15 (the larger
absolute value) is -, that is how we get the answer of -8.
*Add the numerators and write over common denominator 10
3.2 + (-1.3) + (- 4.1)
|- 4 + (-3) + 2|
1/2
-20
-(- 4)
Last revised on July 24, 2011 by Kim Seward.
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