To convert the mixed number 3 3/5 into an improper fraction, we follow a simple procedure.
First, convert the whole number part (3) into a fraction. Since the denominator of our fraction is 5, we multiply the whole number by the denominator:
3 × 5 = 15.
Then, we add the numerator of the fractional part (3):
15 + 3 = 18.
Now, we take this sum and place it over the original denominator (5):
Thus, 3 3/5 converts to the improper fraction 18/5.
So, the equivalent improper fraction for 3 3/5 is 18/5.