To solve $10 - 4\frac{5}{8}$, what is the correct way to rewrite the number $10$ to prepare for subtraction?

Rewrite $10$ as $10\frac{8}{8}$

Subtract the whole numbers $10 - 4$ first

Which statement correctly explains the first step to solve $7 - 2\frac{1}{4}$?

Regroup 7 as $6\frac{4}{4}$ and then subtract.

Subtract the whole numbers first to get 5, then subtract the fraction.

Regroup 7 as $7\frac{4}{4}$ and then subtract.

Change the problem to $7\frac{1}{4} - 2$.