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분수: 분모 1자리 덧셈2분수8

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