4-3/4b^5c^3 / -4/6b^2c^-3 =
four minus three fourths b to the 5th power c to the third power divided by negative four sixths b to the second power and c to the negative 2 power
four minus three fourths b to the 5th power c to the third power divided by negative four sixths b to the second power and c to the negative 2 power