To subtract \( 1/5 \) from \( 7 \frac{3}{5} \), first convert the mixed number into an improper fraction.
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Convert \( 7 \frac{3}{5} \) to an improper fraction: \[ 7 \frac{3}{5} = \frac{(7 \times 5) + 3}{5} = \frac{35 + 3}{5} = \frac{38}{5} \]
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Now, subtract \( \frac{1}{5} \) from \( \frac{38}{5} \): \[ \frac{38}{5} - \frac{1}{5} = \frac{38 - 1}{5} = \frac{37}{5} \]
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Convert \( \frac{37}{5} \) back to a mixed number: \[ 37 \div 5 = 7 \quad \text{(with a remainder of 2)} \] So, \( \frac{37}{5} = 7 \frac{2}{5} \).
Therefore, the final answer is: \[ 7 \frac{2}{5} \]