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분수: 분모 2자리 덧셈3분수9

1
9 13
+
2 13
=
11 13
2
2 21
+
4 21
=
6 21
2
+
4
=
2 7
3
4 82
+
3 82
=
7 82
4
3 14
+
2 14
=
5 14
5
2 22
+
1 22
=
3 22
6
1 61
+
3 61
=
4 61
7
3 31
+
1 31
=
4 31
8
1 53
+
3 53
=
4 53
9
3 23
+
8 23
=
11 23
10
8 45
+
2 45
=
10 45
8
+
2
=
2 9
11
6 24
+
4 24
=
10 24
6
+
4
=
5 12
12
4 16
+
9 16
=
13 16
13
9 23
+
5 23
=
14 23
14
5 72
+
3 72
=
8 72
5
+
3
=
1 9
15
3 22
+
5 22
=
8 22
3
+
5
=
4 11