MCQ
What should be added to $\frac{2}{5}$ to get $-\frac{3}{7}$:
- A$\frac{4}{5}$
- B$1$
- ✓$-\frac{29}{35}$
- D$2$
✓
Answer
Correct option: C.
$-\frac{29}{35}$
Let the required number be $x.$
$\text{x}+\frac{2}{5}=-\frac{3}{7}$
$\text{x}=\frac{3}{7}-\frac{3}{5}$
$\text{x} = -\frac{(15-14)}{35}$
$\text{x} = -\frac{15}{35}$
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