continuation of the previous blog

a) 30/42

15/21 2

5/7 3

2/2 3/3 5/7

reducing to lowest terms is to divide each numerator and the denominator by the same number; then cancel like numbers.

b) x2-9
_______


6x+18

first factor

(x+3)(x-3)
_____________
6(x+3)

cancel out the x+3
(x-3)/6

until next time