First, simplify the expression within the parentheses:-1.7 + 3/5 = -1.7 + 0.6 = -1.1
Now, add this result back to 2/5:2/5 + (-1.7 + 3/5) = 2/5 + (-1.1)
Now, find a common denominator to add the fractions:2/5 - 11/5 = (2 - 11)/5 = -9/5
Therefore, the final answer is -9/5 or -1.8.
First, simplify the expression within the parentheses:
-1.7 + 3/5 = -1.7 + 0.6 = -1.1
Now, add this result back to 2/5:
2/5 + (-1.7 + 3/5) = 2/5 + (-1.1)
Now, find a common denominator to add the fractions:
2/5 - 11/5 = (2 - 11)/5 = -9/5
Therefore, the final answer is -9/5 or -1.8.