4/9 = 20/45 8/15 = 24/45
12/45 = 4/15
6/45 + 20/ 45 = 26/45
45/12 = 15/4
45/12 = 15/4 = 3 3/4
45/36 = 15/12 = 5/4
3/5 ÷ 4/15 3/5 * 15/4 45/20 9/4■
8/30. 4/15. 12/45. Etc.
456015(3)15(4)15(3)15(4)34
.75
No - 4/8 in its simplest form is 1/2. 20/45 in its simplest form is 4/15
7/15 − 4/9 = 3/135 which reduces to 1/45