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분수: 분모 2자리 덧셈2분수2

1
2 23
+
7 23
=
9 23
2
7 24
+
2 24
=
9 24
7
+
2
=
3 8
3
2 53
+
7 53
=
9 53
4
7 45
+
3 45
=
10 45
7
+
3
=
2 9
5
3 73
+
9 73
=
12 73
6
9 25
+
6 25
=
15 25
9
+
6
=
3 5
7
6 50
+
7 50
=
13 50
8
7 44
+
5 44
=
12 44
7
+
5
=
3 11
9
5 84
+
4 84
=
9 84
5
+
4
=
3 28
10
4 36
+
3 36
=
7 36
11
3 89
+
5 89
=
8 89
12
5 45
+
9 45
=
14 45
13
9 43
+
5 43
=
14 43
14
5 76
+
1 76
=
6 76
5
+
1
=
3 38
15
1 21
+
9 21
=
10 21