The workman uses 4/5 of a pallet of pavers to build 2 steps. So for 1 step it divide 4/5 by 2, as it requires half of a pallet of pavers to build 2 steps.
Divide 4/5 by 2.
[tex]\begin{gathered} \frac{\frac{4}{5}}{2}=\frac{4}{5\cdot2} \\ =\frac{2}{5} \end{gathered}[/tex]So workmen use 2/5 of a pallet of pavers to build one step.
Answer: 2/5