Verified Answer :

The answer is 0.04444... or 2/45. Whichever is more useful to you.

⁻²/₃ ÷ (-15)
⁻²/₃ ÷ (⁻¹⁵/₁)
⁻²/₃ × (⁻¹/₁₅)
²/₄₅