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분수: 분모 1자리 덧셈2분수4

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