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분수: 분모 2자리 덧셈2분수3

1
2 30
+
1 30
=
3 30
2
+
1
=
1 10
2
1 55
+
3 55
=
4 55
3
3 25
+
9 25
=
12 25
4
4 97
+
2 97
=
6 97
5
2 40
+
4 40
=
6 40
2
+
4
=
3 20
6
4 97
+
1 97
=
5 97
7
8 11
+
7 11
=
15 11
8
7 37
+
2 37
=
9 37
9
2 56
+
9 56
=
11 56
10
9 21
+
6 21
=
15 21
9
+
6
=
5 7
11
6 49
+
2 49
=
8 49
12
2 16
+
3 16
=
5 16
13
3 75
+
7 75
=
10 75
3
+
7
=
2 15
14
7 85
+
6 85
=
13 85
15
6 72
+
5 72
=
11 72