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분수: 분모 2자리 덧셈2분수3

1
2 30
+
8 30
=
10 30
2
+
8
=
1 3
2
8 12
+
9 12
=
17 12
3
9 76
+
1 76
=
10 76
9
+
1
=
5 38
4
1 84
+
3 84
=
4 84
1
+
3
=
1 21
5
3 94
+
7 94
=
10 94
3
+
7
=
5 47
6
7 53
+
8 53
=
15 53
7
8 64
+
3 64
=
11 64
8
3 89
+
5 89
=
8 89
9
5 21
+
3 21
=
8 21
10
3 63
+
4 63
=
7 63
3
+
4
=
1 9
11
4 19
+
3 19
=
7 19
12
3 21
+
5 21
=
8 21
13
5 12
+
3 12
=
8 12
5
+
3
=
2 3
14
3 68
+
5 68
=
8 68
3
+
5
=
2 17
15
5 73
+
7 73
=
12 73