Simplify rational expressions
Learn with an example
Simplify. Write your answer using whole numbers and variables.
34/2h+12 = ___________
Simplify. First factorise, and then cancel the common factors.
34/2h+12
34/2(h+6) Factorise out the GCF of the denominator, which is 2
17/h+6 Simplify
Simplify. Write your answer using whole numbers and variables.
4w2 -9w / 4w-9 = __________
Simplify. First factorise, and then cancel the common factors.
4w2 -9w / 4w-9
w(4w-9)/4w-9 Factorise out the GCF of the numerator, which is w
w(4w-9)/4w-9 Cancel the common factors
w/1 Simplify
w Simplify
Simplify. Write your answer using whole numbers and variables.
8m/28m-40 = ________
Simplify. First factorise, and then cancel the common factors.
8m/28m-40
8m/4(7m-10) Factorise out the GCF of the denominator, which is 4
2m/7m-10 Simplify
Let’s practice!
