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분수: 분모 1자리 덧셈4분수3

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