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분수: 분모 2자리 덧셈3분수4

1
3 42
+
5 42
=
8 42
3
+
5
=
4 21
2
5 61
+
4 61
=
9 61
3
4 38
+
7 38
=
11 38
4
7 62
+
8 62
=
15 62
5
8 62
+
3 62
=
11 62
6
3 11
+
2 11
=
5 11
7
6 21
+
2 21
=
8 21
8
2 37
+
1 37
=
3 37
9
1 84
+
9 84
=
10 84
1
+
9
=
5 42
10
3 59
+
8 59
=
11 59
11
8 49
+
2 49
=
10 49
12
2 62
+
4 62
=
6 62
2
+
4
=
3 31
13
4 43
+
1 43
=
5 43
14
1 53
+
5 53
=
6 53
15
5 52
+
2 52
=
7 52