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분수: 분모 1자리 덧셈1분수7

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