1.4 means 1 whole and 4 tenths.

• 1.4 = 1 \(\frac{4}{10}\)
• Simplify the fraction: \(\frac{4}{10} = \frac{2}{5}\) (divide by 2)
• 1.4 = 1 \(\frac{2}{5}\)

Final Answer: 1 \(\frac{2}{5}\)