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분수: 분모 1자리 덧셈1분수2

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