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분수: 분모 2자리 덧셈2분수2

1
2 62
+
8 62
=
10 62
2
+
8
=
5 31
2
8 18
+
7 18
=
15 18
8
+
7
=
5 6
3
7 20
+
2 20
=
9 20
4
2 69
+
4 69
=
6 69
2
+
4
=
2 23
5
4 55
+
3 55
=
7 55
6
3 45
+
6 45
=
9 45
3
+
6
=
1 5
7
6 24
+
1 24
=
7 24
8
1 18
+
4 18
=
5 18
9
4 23
+
1 23
=
5 23
10
9 61
+
1 61
=
10 61
11
1 81
+
9 81
=
10 81
12
9 65
+
2 65
=
11 65
13
2 12
+
3 12
=
5 12
14
3 58
+
9 58
=
12 58
3
+
9
=
6 29
15
9 23
+
3 23
=
12 23