Question

Find the GCF of 18a and 20ab (and please explain why your answer is what it is)

Answer 1

i hope this answer helps you out

Answer 2

2a

explain:

18 = 2 * 3³

20 = 2² * 5

6 = 2 *3

now I find the gcf of a, ab, ab

a = a

ab = a * b

Gcf = a

so the solution is:

2a