Solved

Add Do Not Use a Number Line Except as a Check

Question 20

Multiple Choice

Add. Do not use a number line except as a check.
- $-\frac{3}{14}+\frac{19}{21}$

A) $\frac{29}{21}$
B) $\frac{17}{14}$
C) $\frac{29}{42}$
D) $\frac{16}{21}$

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