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분수: 분모 2자리 덧셈1분수1

1
1 13
+
2 13
=
3 13
2
2 22
+
1 22
=
3 22
3
1 55
+
5 55
=
6 55
4
5 60
+
7 60
=
12 60
5
+
7
=
1 5
5
7 11
+
8 11
=
15 11
6
8 31
+
6 31
=
14 31
7
6 36
+
9 36
=
15 36
6
+
9
=
5 12
8
9 58
+
3 58
=
12 58
9
+
3
=
6 29
9
6 73
+
7 73
=
13 73
10
7 21
+
4 21
=
11 21
11
4 64
+
3 64
=
7 64
12
3 50
+
2 50
=
5 50
3
+
2
=
1 10
13
2 40
+
1 40
=
3 40
14
1 65
+
5 65
=
6 65
15
5 29
+
1 29
=
6 29