benchmark fractions

Front

1/2

Back

0.5

Front

2/3

Back

0.6̅

Front

1/4

Back

0.25

Front

3/10

Back

0.3

Front

9/10

Back

0.9

Front

2/5

Back

0.4

Front

3/4

Back

0.75

Front

1/3

Back

0.3̅

Front

4/5

Back

0.8

Front

7/10

Back

0.7