Q15: Add. Find the LCD first.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Add.
Q16: Find the LCM.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Find the LCM.
Q17: Multiply to obtain an equivalent expression. Do
Q18: Find the LCM.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Find the LCM.
Q19: Find the LCM by factoring.<br>-24, 54, 27<br>A)108<br>B)54<br>C)72<br>D)216
Q21: Divide and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Divide and simplify.
Q22: Multiply to obtain an equivalent expression. Do
Q23: Add or subtract. Then simplify. If a
Q24: Perform the indicated operations and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg"
Q25: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Simplify. - A)