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분수: 분모 2자리 덧셈2분수2

1
2 21
+
5 21
=
7 21
2
+
5
=
1 3
2
5 71
+
1 71
=
6 71
3
1 29
+
9 29
=
10 29
4
9 93
+
7 93
=
16 93
5
7 14
+
4 14
=
11 14
6
4 28
+
9 28
=
13 28
7
9 62
+
5 62
=
14 62
9
+
5
=
7 31
8
5 74
+
9 74
=
14 74
5
+
9
=
7 37
9
9 32
+
2 32
=
11 32
10
9 42
+
4 42
=
13 42
11
4 46
+
8 46
=
12 46
4
+
8
=
6 23
12
8 25
+
9 25
=
17 25
13
9 25
+
5 25
=
14 25
14
5 76
+
4 76
=
9 76
15
4 93
+
1 93
=
5 93