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Negative three eighth minus one tenth A. 19/40 B. -19/40 c.-3/8 D. 2/9

2 Answers

1 vote
B. -19/40 is the answer.
User AlexWoe
by
5.1k points
5 votes

Answer:

B)

Explanation:

LCM of 8,10 =40


(-3*5)/(8*5)=(-15)/(40)\\\\(1*4)/(10*4)=(4)/(10)\\\\ (-3)/(8)-(1)/(10)=(-15)/(40)-(4)/(40)\\\\=(-15-4)/(40)=(-19)/(40)

User David Strencsev
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5.1k points