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Add Do Not Use a Number Line Except as a Check

Question 40

Question 40

Multiple Choice

Add. Do not use a number line except as a check.
- $-\frac{1}{8}+\left(-\frac{2}{5}\right)$

A) $-\frac{3}{13}$
B) $-\frac{21}{40}$
C) $-\frac{21}{13}$
D) $-\frac{11}{40}$

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