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분수: 분모 2자리 덧셈4분수1

1
4 10
+
3 10
=
7 10
2
3 70
+
6 70
=
9 70
3
6 14
+
2 14
=
8 14
6
+
2
=
4 7
4
9 52
+
3 52
=
12 52
9
+
3
=
3 13
5
3 85
+
9 85
=
12 85
6
9 57
+
3 57
=
12 57
9
+
3
=
4 19
7
3 63
+
5 63
=
8 63
8
5 56
+
6 56
=
11 56
9
6 22
+
4 22
=
10 22
6
+
4
=
5 11
10
4 31
+
6 31
=
10 31
11
6 20
+
8 20
=
14 20
6
+
8
=
7 10
12
1 68
+
5 68
=
6 68
1
+
5
=
3 34
13
5 74
+
2 74
=
7 74
14
4 21
+
3 21
=
7 21
4
+
3
=
1 3
15
3 41
+
2 41
=
5 41