Hello!
Answer:

Explanation:
→ The multiplicative inverse of a number multiplied by the original number, equals 1.
→ So we have this equation:

→ Let's solve this equation to find the multiplicative inverse of 2/3:
◼ Simplify the left side:

◼ Multiply both sides by 3:

◼ Simplify both sides:

◼ Divide both sides by 2:

◼ Simplify both sides:

Conclusion:
The multiplicative inverse of 2/3 is 3/2.