What is 1 3 of 3 5 as a fraction?

To find one-third of three-fifths as a fraction, you multiply the two fractions together. This gives you (1/3) x (3/5) = 3/15. Simplifying this fraction by dividing both the numerator and denominator by their greatest common divisor, which is 3, gives you 1/5. Therefore, one-third of three-fifths is equal to 1/5.