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분수: 분모 2자리 덧셈2분수4

1
4 72
+
9 72
=
13 72
2
9 88
+
5 88
=
14 88
9
+
5
=
7 44
3
5 63
+
8 63
=
13 63
4
8 49
+
3 49
=
11 49
5
3 31
+
5 31
=
8 31
6
5 66
+
3 66
=
8 66
5
+
3
=
4 33
7
3 30
+
1 30
=
4 30
3
+
1
=
2 15
8
3 21
+
7 21
=
10 21
9
7 83
+
8 83
=
15 83
10
6 18
+
9 18
=
15 18
6
+
9
=
5 6
11
9 56
+
1 56
=
10 56
9
+
1
=
5 28
12
1 51
+
5 51
=
6 51
1
+
5
=
2 17
13
5 23
+
6 23
=
11 23
14
6 74
+
8 74
=
14 74
6
+
8
=
7 37
15
8 44
+
9 44
=
17 44