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분수: 분모 2자리 덧셈2분수1

1
2 17
+
1 17
=
3 17
2
1 20
+
2 20
=
3 20
3
2 45
+
6 45
=
8 45
4
6 32
+
9 32
=
15 32
5
9 54
+
7 54
=
16 54
9
+
7
=
8 27
6
7 63
+
8 63
=
15 63
7
+
8
=
5 21
7
8 50
+
4 50
=
12 50
8
+
4
=
6 25
8
5 84
+
4 84
=
9 84
5
+
4
=
3 28
9
4 23
+
2 23
=
6 23
10
1 22
+
5 22
=
6 22
1
+
5
=
3 11
11
5 54
+
8 54
=
13 54
12
8 44
+
7 44
=
15 44
13
7 52
+
8 52
=
15 52
14
8 46
+
3 46
=
11 46
15
4 43
+
7 43
=
11 43