Question
Subtract: $-\frac{3}{10}$ from $\frac{1}{5}$
✓
Answer
$\begin{aligned} & -\frac{3}{10} \text { from } \frac{1}{5} \\ & =\frac{1}{5}-\left(-\frac{3}{10}\right) \\ & =\frac{1 \times 2}{5 \times 2}+\frac{3}{10} \\ & =\frac{2}{10}+\frac{3}{10}=\frac{2+3}{10}=\frac{5}{10}\end{aligned}$
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