Question
Subtract: $\frac{2}{9}$ from $\frac{4}{5}$
✓
Answer
$\begin{aligned} & \frac{2}{9} \text { from } \frac{4}{5} \\ & =\frac{4}{5}-\frac{2}{9}=\frac{4 \times 9}{5 \times 9}-\frac{2 \times 5}{9 \times 5} \\ & (\mathrm{LCM} \text { of } 5 \text { and } 9=45) \\ & =\frac{36}{45}-\frac{10}{45}=\frac{36-10}{45}=\frac{26}{45}\end{aligned}$
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