# How do you simplify b^19/b^12?

${b}^{19} = {b}^{12 + 7} = {b}^{12} \times {b}^{7}$
${b}^{19} / {b}^{12} = \frac{\cancel{{b}^{12}} \times {b}^{7}}{\cancel{{b}^{12}}} = {b}^{7}$