SOLUTION: Evaluate the expression when x = - 3/8 and y = 7/12 x + y Any help with this equation would be <b>GREATLY</b> appreciated.

Question 110744: Evaluate the expression when x = - 3/8 and y = 7/12
x + y
Any help with this equation would be GREATLY appreciated.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

Plug in and

Solved by pluggable solver: Fractions Solver

Start with the given expression

In order to add these two fractions, these fractions need to have a common denominator.

In order to do that, we simply find that the LCM of 8 and 12 is 24 (note: if you need help with finding the LCM, check out this solver)

Now we need to get each denominator to 24

Multiply by

Multiply and to get

Multiply by

Multiply and to get

Since both fractions have a common denominator of 24, we can now combine the fractions

Combine the fractions

Add the numerators

So

So when and
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