Simplify algebraic fractions
When simplifying algebraic expressions you must remember that fractions with numbers on the top and the bottom can be simplified by cancelling down.
Remember, whatever you do on the top, you must do on the bottom
e.g. 3/9 = 1/3
What we have done here effectively is divide by 3 on the top, and divide by 3 on the bottom.
The same can be done for fractions that have unknowns on the top and on the bottom.
e.g. 4a^{2}/a^{5} = 4/a^{3}
Remember a^{2} = aa, a^{5} = aaaaa, so a^{2} cancels out on the top, and on the bottom.
For the above example we must simply minus the indices.
There are several kinds of fraction that are considered to be more complex to simplify, for example:
(3x^{2}16x35)/(9x^{2}25) = (3x + 5)(x  7) / ( 3x + 5)(3x  5) = (x7)/(3x5)
Nothing in this section yet. Why not help us get started?
Related Topics
Requires a knowledge of…
After this move on to…
Related Questions

1Vote4Answers

1Vote1Answer

1Vote3Answers

2Votes5Answers

1Vote2Answers

1Vote3Answers

1Vote4Answers

0Votes4Answers

0Votes1Answer

0Votes1Answer