15
find common denominators, 8/11 - 4/15 = 120/165 - 44/165 = 76/165. That is your answer is simplest form.
120
1
0.125
120 divided by 4 is 30
15
120 divided by 8 is 15
8
15
8
0.125
8
15
0.125
4
find common denominators, 8/11 - 4/15 = 120/165 - 44/165 = 76/165. That is your answer is simplest form.