Answer: 9ab
Step-by-step explanation:
[tex]\mathrm{Find\:Greatest\:Common\:Factor\:of\:}27ab^3 \ \text{and} \ 90a^2b[/tex]
[tex]\mathrm{Factor\:}27ab^3[/tex]
[tex]3\cdot \:3\cdot \:3\cdot \:a\cdot \:b\cdot \:b\cdot \:b[/tex]
[tex]\mathrm{Factor\:}90a^2b[/tex]
[tex]2\cdot \:3\cdot \:3\cdot \:5\cdot \:a\cdot \:a\cdot \:b[/tex]
[tex]\mathrm{Common\:factors:}[/tex]
[tex]3\cdot \:3\cdot \:a\cdot \:b[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]9ab[/tex]
