MCQ
What should be added to $- \frac{7}{3}$ to get $\frac{3}{7}$?
- A$\frac{47}{21}$
- B$\frac{50}{21}$
- C$\frac{21}{58}$
- ✓$\frac{58}{21}$
Let the number be $x$
$-\frac{7}{3}+\text{x} = \frac{3}{7}$
$\text{x}=\frac{3}{7}+\frac{7}{3} = \frac{(9+49)}{21} = \frac{58}{21}$
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