15, 9, 12 / 2

15, 9, 6 / 2

15, 9, 3 / 3

5, 3, 1 / 3

5, 1, 1 / 5

1, 1, 1

MMC: 2 * 2 * 3 * 3 * 5 = 180

15, 9, 12 | 2

15, 9, 6 | 2

15, 9, 3 | 3

5, 3, 1 | 3

5, 1, 1 | 5

1, 1, 1 | 1

MMC = 2 . 2 . 3 . 3 . 5 = 180

[tex]{\large\boxed{\boxed{  { \large \bm{ Bons~Estudos} }}}}[/tex]