Question

What is the multiplicative inverse of 4/5? Needing the answer right away. I'll be your friend forever.

Answer 1

The multiplicative inverse is the number that multiplies with $\frac{4}{5}$ to get $1$, or $/frac{4}{5}x=1\implies 4x=5\implies x=\frac{5}{4}$, so the answer is $/frac{5}{4}$