Math Problem Solver

Activity 2.1

10-23-24

A. Find the LCD of the following rational expressions. Write in a ½ sheet of paper.

1. 3/a, 7/b

25/x, 16/y, 8/(z ^ 2)

3 . a/(15y) , b 5y

. (c ^ 2)/(a - 3) , b^ 2 -a+3

5. (3x)/(x - 4), (2x)/(x + 4)

B. Perform the indicated operations. Reduce answers to lowest terms.

1. 3/5 + 7/5

x/3 - y/3

3. (x ^ 2)/(x - y) - (y ^ 2)/(x - y)

4. (2x + 1)/3 - (x - 1)/2

5. (2x + 1)/6 + (2x + 4)/12