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분수: 분모 1자리 덧셈2분수1

1
1 3
+
2 3
=
3 3
1
+
2
=
1 1
2
2 8
+
6 8
=
8 8
2
+
6
=
1 1
3
1 6
+
7 6
=
8 6
1
+
7
=
4 3
4
4 7
+
6 7
=
10 7
5
6 6
+
4 6
=
10 6
6
+
4
=
5 3
6
4 8
+
9 8
=
13 8
7
9 9
+
1 9
=
10 9
8
1 3
+
9 3
=
10 3
9
9 2
+
8 2
=
17 2
10
1 4
+
3 4
=
4 4
1
+
3
=
1 1
11
3 2
+
2 2
=
5 2
12
2 9
+
6 9
=
8 9
13
6 2
+
7 2
=
13 2
14
1 8
+
6 8
=
7 8
15
1 9
+
5 9
=
6 9
1
+
5
=
2 3