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분수: 분모 2자리 덧셈4분수2

1
4 21
+
3 21
=
7 21
4
+
3
=
1 3
2
7 33
+
5 33
=
12 33
7
+
5
=
4 11
3
5 95
+
2 95
=
7 95
4
2 84
+
5 84
=
7 84
2
+
5
=
1 12
5
5 45
+
1 45
=
6 45
5
+
1
=
2 15
6
1 43
+
7 43
=
8 43
7
7 37
+
5 37
=
12 37
8
5 63
+
6 63
=
11 63
9
6 36
+
3 36
=
9 36
6
+
3
=
1 4
10
3 25
+
7 25
=
10 25
3
+
7
=
2 5
11
7 60
+
5 60
=
12 60
7
+
5
=
1 5
12
5 77
+
1 77
=
6 77
13
1 81
+
3 81
=
4 81
14
3 21
+
5 21
=
8 21
15
5 36
+
2 36
=
7 36