Algebraic Fractions Flashcards
1
Q
What is ab/cb?
A
a/c
2
Q
What is ab + cb / b?
A
a + c
3
Q
What is the formula for multiplying fractions?
A
a/b * c/d = ac/bd
4
Q
What is the formula for dividing fractions?
A
a/b / c/d = ad/bc
5
Q
What is the formula for adding fractions?
A
a/b + c/d = (ad + bc)/bd
6
Q
What is the formula for subtracting fractions?
A
a/b - c/d = (ad - bc)/bd
7
Q
How do you simplify fractions?
A
You factorise everything you can at every point, and then you follow the formulae.
