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분수: 분모 1자리 덧셈4분수1

1
1 4
+
8 4
=
9 4
2
8 3
+
4 3
=
12 3
8
+
4
=
4 1
3
4 3
+
6 3
=
10 3
4
6 3
+
7 3
=
13 3
5
1 6
+
8 6
=
9 6
1
+
8
=
3 2
6
8 3
+
9 3
=
17 3
7
9 2
+
6 2
=
15 2
8
1 8
+
6 8
=
7 8
9
6 2
+
9 2
=
15 2
10
9 2
+
4 2
=
13 2
11
4 9
+
2 9
=
6 9
4
+
2
=
2 3
12
2 7
+
5 7
=
7 7
2
+
5
=
1 1
13
5 2
+
1 2
=
6 2
5
+
1
=
3 1
14
1 8
+
9 8
=
10 8
1
+
9
=
5 4
15
9 4
+
4 4
=
13 4