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분수: 분모 2자리 덧셈4분수4

1
4 48
+
1 48
=
5 48
2
1 51
+
2 51
=
3 51
1
+
2
=
1 17
3
2 47
+
1 47
=
3 47
4
1 26
+
2 26
=
3 26
5
2 78
+
9 78
=
11 78
6
9 12
+
4 12
=
13 12
7
9 44
+
8 44
=
17 44
8
8 23
+
4 23
=
12 23
9
6 74
+
9 74
=
15 74
10
9 35
+
5 35
=
14 35
9
+
5
=
2 5
11
5 54
+
6 54
=
11 54
12
6 92
+
8 92
=
14 92
6
+
8
=
7 46
13
5 88
+
4 88
=
9 88
14
4 23
+
6 23
=
10 23
15
6 31
+
5 31
=
11 31