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분수: 분모 1자리 덧셈2분수4

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