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분수: 분모 1자리 덧셈2분수0

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