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분수: 분모 1자리 덧셈2분수9

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