A restaurant chef needs 8 1/2 pound of salmon. To get a good price, he buys more than he needs. He ends up with 4 7/8 pounds too much. How much salmon did he buy?

Add the two amounts.

do I make them the same denominator or no?

Yes. You always need the same denominator when adding or subtracting fractions.

would it be 13 3/8 or no?

Yes!!! You are right! :-)

thank you!! On this problem x - 3/4 + 1/6 = 17/12

can you help on where to take this problem on with the steps?

You're welome.

x - 3/4 + 1/6 = 17/12

x - 9/12 + 2/12 = 17/12
x - 7/12 = 17/12
x = 17/12 + 7/12
x = 24/12
x = 2