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분수: 분모 1자리 덧셈3분수1

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