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분수 2자리 (분모가 같은)

1
4 42
+
8 42
=
12 42
4
+
8
=
2 7
2
9 28
+
3 28
=
12 28
9
+
3
=
3 7
3
3 39
+
1 39
=
4 39
4
1 49
+
7 49
=
8 49
5
7 18
+
2 18
=
9 18
7
+
2
=
1 2
6
2 63
+
1 63
=
3 63
2
+
1
=
1 21
7
1 42
+
2 42
=
3 42
1
+
2
=
1 14
8
2 54
+
8 54
=
10 54
2
+
8
=
5 27
9
2 68
+
1 68
=
3 68
10
1 19
+
3 19
=
4 19
11
3 35
+
1 35
=
4 35
12
1 41
+
7 41
=
8 41
13
7 40
+
4 40
=
11 40
14
4 40
+
6 40
=
10 40
4
+
6
=
1 4
15
6 33
+
3 33
=
9 33
6
+
3
=
3 11
▲