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분수: 분모 1자리 덧셈2분수9

1
2 9
+
9 9
=
11 9
2
9 9
+
1 9
=
10 9
3
1 2
+
8 2
=
9 2
4
8 8
+
5 8
=
13 8
5
1 6
+
4 6
=
5 6
6
4 3
+
9 3
=
13 3
7
1 9
+
6 9
=
7 9
8
6 3
+
5 3
=
11 3
9
5 8
+
3 8
=
8 8
5
+
3
=
1 1
10
3 5
+
7 5
=
10 5
3
+
7
=
2 1
11
1 6
+
3 6
=
4 6
1
+
3
=
2 3
12
3 6
+
4 6
=
7 6
13
4 3
+
7 3
=
11 3
14
1 9
+
2 9
=
3 9
1
+
2
=
1 3
15
2 2
+
1 2
=
3 2