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분수 2자리 (분모가 같은)

1
1 22
+
4 22
=
5 22
2
4 54
+
2 54
=
6 54
4
+
2
=
1 9
3
2 73
+
1 73
=
3 73
4
1 43
+
4 43
=
5 43
5
4 61
+
2 61
=
6 61
6
2 83
+
3 83
=
5 83
7
3 63
+
7 63
=
10 63
8
7 32
+
8 32
=
15 32
9
8 28
+
9 28
=
17 28
10
3 92
+
2 92
=
5 92
11
2 63
+
7 63
=
9 63
2
+
7
=
1 7
12
7 49
+
5 49
=
12 49
13
5 31
+
4 31
=
9 31
14
4 13
+
8 13
=
12 13
15
8 43
+
1 43
=
9 43
▲