\(3-\dfrac{2}{5}=\dfrac{3}{1}-\dfrac{2}{5}=\dfrac{15}{5}-\dfrac{2}{5}=\dfrac{13}{5}\)
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\(3-\dfrac{2}{5}=\dfrac{3}{1}-\dfrac{2}{5}=\dfrac{15}{5}-\dfrac{2}{5}=\dfrac{13}{5}\)