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분수: 분모 1자리 덧셈4분수1

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