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분수: 분모 2자리 덧셈2분수2

1
2 24
+
8 24
=
10 24
2
+
8
=
5 12
2
8 74
+
4 74
=
12 74
8
+
4
=
6 37
3
4 91
+
8 91
=
12 91
4
8 75
+
4 75
=
12 75
8
+
4
=
4 25
5
4 91
+
9 91
=
13 91
4
+
9
=
1 7
6
9 14
+
5 14
=
14 14
9
+
5
=
1 1
7
5 79
+
1 79
=
6 79
8
6 21
+
4 21
=
10 21
9
4 21
+
2 21
=
6 21
4
+
2
=
2 7
10
2 54
+
1 54
=
3 54
2
+
1
=
1 18
11
1 21
+
3 21
=
4 21
12
3 12
+
8 12
=
11 12
13
5 38
+
4 38
=
9 38
14
4 81
+
5 81
=
9 81
4
+
5
=
1 9
15
5 14
+
2 14
=
7 14
5
+
2
=
1 2