Answer:
D) -2/5+9/15=3/15
Explanation:
-2/5-(-9/15)=0.2
A) 2/5+9/15=1
the answer is 1=1
B) -9/15-2/5=-1
the answer is -1=-1
C) -9/15+2/5=1/5
the answer is -1/5=1/5 or -0.2=0.2
D) -2/5+9/15=3/15
the answer is 0.2=0.2
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