Answer
$\frac{135b}{60}$
Work Step by Step
$\frac{9b}{4}$=$\frac{9b\times15}{4\times15}$=$\frac{135b}{60}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.