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분수: 분모 2자리 덧셈4분수3

1
4 32
+
5 32
=
9 32
2
5 28
+
3 28
=
8 28
5
+
3
=
2 7
3
3 72
+
1 72
=
4 72
3
+
1
=
1 18
4
1 51
+
2 51
=
3 51
1
+
2
=
1 17
5
2 12
+
3 12
=
5 12
6
3 46
+
1 46
=
4 46
3
+
1
=
2 23
7
8 61
+
9 61
=
17 61
8
9 52
+
2 52
=
11 52
9
2 54
+
6 54
=
8 54
2
+
6
=
4 27
10
6 25
+
4 25
=
10 25
6
+
4
=
2 5
11
4 74
+
8 74
=
12 74
4
+
8
=
6 37
12
8 61
+
5 61
=
13 61
13
5 17
+
1 17
=
6 17
14
1 30
+
6 30
=
7 30
15
6 42
+
3 42
=
9 42
6
+
3
=
3 14