MCQ
What must be added to $-\frac{5}{16}$ to get $\frac{5}{8}.$
- A$\frac{10}{16}$
- B$-\frac{10}{16}$
- ✓$\frac{15}{16}$
- D$-\frac{15}{16}$
✓
Answer
Correct option: C.
$\frac{15}{16}$
Let $x$ be the rational number that needs to be added,
$\therefore-\frac{5}{16}+\text{x}=\frac{5}{8}$
$\Rightarrow\text{x}=\frac{5}{8}+\frac{5}{16}$
$\Rightarrow\text{x}=\frac{15}{16}$
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