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분수: 분모 2자리 덧셈4분수4

1
4 14
+
3 14
=
7 14
4
+
3
=
1 2
2
3 33
+
2 33
=
5 33
3
2 92
+
3 92
=
5 92
4
7 53
+
8 53
=
15 53
5
8 49
+
5 49
=
13 49
6
5 31
+
4 31
=
9 31
7
1 34
+
2 34
=
3 34
8
2 65
+
7 65
=
9 65
9
7 12
+
6 12
=
13 12
10
6 23
+
1 23
=
7 23
11
1 61
+
4 61
=
5 61
12
4 24
+
3 24
=
7 24
13
3 60
+
9 60
=
12 60
3
+
9
=
1 5
14
9 24
+
4 24
=
13 24
15
6 74
+
7 74
=
13 74