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분수: 분모 2자리 덧셈2분수5

1
2 51
+
4 51
=
6 51
2
+
4
=
2 17
2
4 81
+
5 81
=
9 81
4
+
5
=
1 9
3
5 79
+
1 79
=
6 79
4
4 15
+
6 15
=
10 15
4
+
6
=
2 3
5
6 34
+
3 34
=
9 34
6
3 90
+
5 90
=
8 90
3
+
5
=
4 45
7
5 86
+
2 86
=
7 86
8
2 58
+
1 58
=
3 58
9
1 67
+
8 67
=
9 67
10
8 74
+
6 74
=
14 74
8
+
6
=
7 37
11
6 11
+
9 11
=
15 11
12
9 56
+
4 56
=
13 56
13
4 84
+
5 84
=
9 84
4
+
5
=
3 28
14
5 86
+
2 86
=
7 86
15
2 11
+
7 11
=
9 11