Hi Everyone! I would like you to check my work.

BTW my book is Precalculus, 3rd Edition by Bittinger, Beecher, Ellenbogen, and Penna

The directions are to add/subtract/divide and simplify if possible.

#38:

Get like denominators:

Simplify:

Would it be better to put my answer as: ?

# 39:

Factor the denominators:

Get a LCM of the denominators:

Simplify:

Which simplifies to:

My book agrees so I'm pretty sure.

#44:

My answer is:

# 62:

Get the like denominators:

Which just simplifies to:

Correct?

Thank you all for your help!