# need algebra help on how to solve two different problems

**Question description**

Evaluate the given expression if y = 2/5 and z = 5/6

12y-z=?

Also Simplify the complex fraction of

23k/12 divide 11/6 =?

I have not done these type of prblems yet and am uncertain on how to work and solve these as well. can you also help me with these?

I would greatly appreciate any and all help. Thanking you in advance.

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