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분수 2자리 (분모가 같은)

1
8 21
+
7 21
=
15 21
8
+
7
=
5 7
2
7 98
+
1 98
=
8 98
7
+
1
=
4 49
3
3 21
+
6 21
=
9 21
3
+
6
=
3 7
4
3 61
+
5 61
=
8 61
5
5 57
+
7 57
=
12 57
5
+
7
=
4 19
6
7 75
+
4 75
=
11 75
7
4 73
+
9 73
=
13 73
8
9 57
+
5 57
=
14 57
9
5 59
+
7 59
=
12 59
10
7 88
+
3 88
=
10 88
7
+
3
=
5 44
11
3 81
+
1 81
=
4 81
12
1 73
+
5 73
=
6 73
13
5 76
+
3 76
=
8 76
5
+
3
=
2 19
14
3 41
+
2 41
=
5 41
15
2 36
+
3 36
=
5 36
▲