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분수: 분모 2자리 덧셈6분수1

1
6 17
+
4 17
=
10 17
2
4 23
+
3 23
=
7 23
3
3 78
+
4 78
=
7 78
4
4 81
+
5 81
=
9 81
4
+
5
=
1 9
5
5 71
+
4 71
=
9 71
6
4 40
+
3 40
=
7 40
7
3 51
+
4 51
=
7 51
8
4 77
+
1 77
=
5 77
9
1 49
+
4 49
=
5 49
10
4 81
+
2 81
=
6 81
4
+
2
=
2 27
11
2 90
+
5 90
=
7 90
12
5 40
+
9 40
=
14 40
5
+
9
=
7 20
13
9 57
+
1 57
=
10 57
14
1 27
+
3 27
=
4 27
15
3 31
+
4 31
=
7 31