1
/
3
+
1
/
5
=
____________________
/
15
1
/
3
-
1
/
5
=
____________________
/
15
2
/
3
+
1
/
5
=
____________________
/
15
2
/
3
-
1
/
5
=
____________________
/
15
2
/
3
+
3
/
5
=
____________________
/
15
2
/
3
-
3
/
5
=
____________________
/
15
2
/
5
+
1
/
3
=
____________________
/
15
2
/
5
-
1
/
3
=
____________________
/
15
3
/
5
+
1
/
3
=
____________________
/
15
3
/
5
-
1
/
3
=
____________________
/
15
4
/
5
+
1
/
3
=
____________________
/
15
4
/
5
-
1
/
3
=
____________________
/
15
4
/
5
+
2
/
3
=
____________________
/
15
4
/
5
-
2
/
3
=
____________________
/
15
5
/
3
+
2
/
5
=
____________________
/
15
5
/
3
-
2
/
5
=
____________________
/
15
5
/
3
+
3
/
5
=
____________________
/
15
5
/
3
-
3
/
5
=
____________________
/
1
5