5) -3/4 - 12,125 =

1. Convert to fractions: $$-3/4 - 12125/1000$$.
2. Simplify: $$-3/4 - 485/40 = -3/4 - 97/8$$.
3. Find a common denominator: $$-6/8 - 97/8$$.
4. Subtract: $$-103/8$$.