Fraction Arithmetic
1
+
1
=
10
2
1
+
4
=
5
9
3
−
7
=
5
12
7
−
3
=
8
8
1
+
3
=
5
10
5
−
2
=
6
5
8
+
7
=
9
10
11
−
3
=
12
8
7
+
5
=
10
6
3
−
1
=
5
8
1
+
3
=
12
8
11
+
5
=
12
9
7
+
1
=
8
5
3
+
3
=
10
10
3
−
3
=
4
5