Expressing Fractions in Terms of the LCM of Their Denominators

Part 1: Finding LCM' s of polynomials

Question 10 Find the LCM of the expressions :

Question 31 Now you find the LCM of the fol lowing expressions :

Ignore the minus in front of the factor on the second line .

Part 2 Ex press Fractions in Terms of the LCM of Their Denominators
As in numerical fractions in order to add and subtract fractions we need to express them in terms of a common denominator.

Question 34: Write each fraction in terms of the LCM of the denominators.

LCM of the denominators= ab^2

Question 42: Write each fraction in terms of the LCM of the denominators.

LCM= y(y−4)

Question 54:

Factor the denominators

Question 46 Now you write each fraction in terms of the LCM of the denominators:

Question 65:

(x−1)^3 will be the LCM