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분수: 분모 1자리 덧셈2분수9

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