Express 2 5 7 is a fraction as a decimal, correct to 1 decimal place.

To express the fraction \( \frac{2}{5} \) as a decimal and then add the value 7, we have to perform these steps separately.

1. Convert \( \frac{2}{5} \) to a decimal:
\( \frac{2}{5} = 2 \div 5 = 0.4 \)

2. Add the decimal to 7:
\( 7 + 0.4 = 7.4 \)

Therefore, the combined value of \( \frac{2}{5} \) and 7, expressed as a decimal and correct to 1 decimal place, is 7.4.