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분수: 분모 1자리 덧셈2분수1

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