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분수: 분모 1자리 덧셈4분수3

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