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분수 2자리 (분모가 같은)

1
5 73
+
1 73
=
6 73
2
4 11
+
5 11
=
9 11
3
5 21
+
7 21
=
12 21
5
+
7
=
4 7
4
7 63
+
3 63
=
10 63
5
3 56
+
7 56
=
10 56
3
+
7
=
5 28
6
7 42
+
3 42
=
10 42
7
+
3
=
5 21
7
3 17
+
4 17
=
7 17
8
4 24
+
6 24
=
10 24
4
+
6
=
5 12
9
6 60
+
9 60
=
15 60
6
+
9
=
1 4
10
9 41
+
3 41
=
12 41
11
3 32
+
4 32
=
7 32
12
4 59
+
5 59
=
9 59
13
5 74
+
2 74
=
7 74
14
2 11
+
1 11
=
3 11
15
1 24
+
4 24
=
5 24