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분수: 분모 2자리 덧셈2분수7

1
2 72
+
1 72
=
3 72
2
+
1
=
1 24
2
1 84
+
4 84
=
5 84
3
4 42
+
2 42
=
6 42
4
+
2
=
1 7
4
2 47
+
5 47
=
7 47
5
5 74
+
4 74
=
9 74
6
4 21
+
5 21
=
9 21
4
+
5
=
3 7
7
5 92
+
6 92
=
11 92
8
6 53
+
5 53
=
11 53
9
5 85
+
1 85
=
6 85
10
1 76
+
6 76
=
7 76
11
6 33
+
8 33
=
14 33
12
8 61
+
5 61
=
13 61
13
5 49
+
6 49
=
11 49
14
6 63
+
1 63
=
7 63
6
+
1
=
1 9
15
1 97
+
6 97
=
7 97