1
/
2
x
____________________
=
1
1
/
4
x
____________________
=
1
1
/
4
x
____________________
=
2
1
/
7
x
____________________
=
1
1
/
20
x
____________________
=
1
1
/
40
x
____________________
=
2
1
/
42
x
____________________
=
1
1
/
99
x
____________________
=
2
