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분수: 분모 1자리 덧셈3분수8

1
8 3
+
2 3
=
10 3
2
2 2
+
5 2
=
7 2
3
5 3
+
7 3
=
12 3
5
+
7
=
4 1
4
1 3
+
2 3
=
3 3
1
+
2
=
1 1
5
2 8
+
7 8
=
9 8
6
7 2
+
2 2
=
9 2
7
9 2
+
2 2
=
11 2
8
2 6
+
7 6
=
9 6
2
+
7
=
3 2
9
7 2
+
8 2
=
15 2
10
8 3
+
5 3
=
13 3
11
5 5
+
1 5
=
6 5
12
1 6
+
2 6
=
3 6
1
+
2
=
1 2
13
1 3
+
3 3
=
4 3
14
3 2
+
1 2
=
4 2
3
+
1
=
2 1
15
1 3
+
2 3
=
3 3
1
+
2
=
1 1