Answer:
12/5 = 2.4
Explanation:
The fraction 6/10 can be reduced to simplify the addition.
9/5 -(-6/10) = 9/5 +6/10 = 9/5 +3/5
= 12/5 = 2.4
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The two minus signs "cancel." The product of any set of numbers with an even number of minus signs will be positive.