Math

Front 1

1/1

Back 1

1

Front 2

1/2

Back 2

0.5

Front 3

1/3

Back 3

0.3

Front 4

1/4

Back 4

0.25

Front 5

1/5

Back 5

0.2

Front 6

1/6

Back 6

0.16

Front 7

1/7

Back 7

0.14

Front 8

1/8

Back 8

0.125

Front 9

1/9

Back 9

0.1

Front 10

1/10

Back 10

0.3

Front 11

2/3

Back 11

0.6

Front 12

3/4

Back 12

.75

Front 13

2/5

Back 13

0.4

Front 14

5/6

Back 14

.83

Front 15

2/7

Back 15

0.2