Verified Answer :

-3.625

=-(3000/1000)-(625/1000)

=-3625/1000

=-725/200

=-145/40

=-29/8

\(-3.625=-\frac{3625}{1000}=(*)\\\\divide\ the\ numerator\ and\ the\ denominator\ by\ 125\\\\(*)=-\frac{29}{8}\)