The Student Room Group

Algebraic fractions

Simply the following as a single fraction:
a) a/2b divided by b/2a = 2a^2/2b^2
b) 12xy^3/5xy divided by 2xz/3xyz = 36/10 x y^3
c)1/(a+b/c) = 2b/ac
d) x+1/1-1/x^3= 2/x^3
(edited 8 years ago)
Reply 1
What's the question here?
Original post by B_9710
What's the question here?


Are they simplified correctly?
Reply 3
You can simplify the first one further. 2's cancel.
Reply 4
Second one isn't right.
Original post by B_9710
You can simplify the first one further. 2's cancel.


So a^2/b^2
Reply 6
Put brackets on the 3rd question it's difficult to see what you mean.
Reply 7
Original post by Custardcream000
So a^2/b^2


Yes
Original post by B_9710
Second one isn't right.


It would be 36/10 xy^3
Reply 9
Original post by Custardcream000
It would be 36/10 xy^3


Yes I think so I'll check in a second. Remember that the 36/10 can be simplified to 18/5

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