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분수: 분모 2자리 덧셈5분수1

1
5 15
+
2 15
=
7 15
2
2 55
+
4 55
=
6 55
3
4 63
+
1 63
=
5 63
4
1 75
+
3 75
=
4 75
5
3 33
+
6 33
=
9 33
3
+
6
=
3 11
6
7 66
+
3 66
=
10 66
7
+
3
=
5 33
7
3 45
+
4 45
=
7 45
8
4 27
+
3 27
=
7 27
9
3 44
+
4 44
=
7 44
10
4 85
+
8 85
=
12 85
11
8 23
+
3 23
=
11 23
12
3 56
+
7 56
=
10 56
3
+
7
=
5 28
13
7 20
+
5 20
=
12 20
7
+
5
=
3 5
14
5 27
+
6 27
=
11 27
15
6 50
+
1 50
=
7 50